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Finding the Fourth Proportional to 584,442.70, 876,664.05 and 444,474.70

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Solution

The fourth proportional to 584,442.70, 876,664.05 and 444,474.70 is: 666,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,442.70 : 876,664.05 = 444,474.70 : x
  2. Step 2: Convert to fraction form
    584,442.70/876,664.05 = 444,474.70/x
  3. Step 3: Cross multiply
    584,442.70x = 876,664.05 × 444,474.70
  4. Step 4: Simplify right side
    584,442.70x = 389,654,990,624.54
  5. Step 5: Solve for x
    x = 389,654,990,624.54/584,442.70
  6. Step 6: Final answer
    x = 666,712.05

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.