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Finding the Fourth Proportional to 584,152.20, 876,228.30 and 384,697.80

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Solution

The fourth proportional to 584,152.20, 876,228.30 and 384,697.80 is: 577,046.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,152.20 : 876,228.30 = 384,697.80 : x
  2. Step 2: Convert to fraction form
    584,152.20/876,228.30 = 384,697.80/x
  3. Step 3: Cross multiply
    584,152.20x = 876,228.30 × 384,697.80
  4. Step 4: Simplify right side
    584,152.20x = 337,083,099,307.74
  5. Step 5: Solve for x
    x = 337,083,099,307.74/584,152.20
  6. Step 6: Final answer
    x = 577,046.70

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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.