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Finding the Fourth Proportional to 584,087.60, 876,131.40 and 406,794.80

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Solution

The fourth proportional to 584,087.60, 876,131.40 and 406,794.80 is: 610,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,087.60 : 876,131.40 = 406,794.80 : x
  2. Step 2: Convert to fraction form
    584,087.60/876,131.40 = 406,794.80/x
  3. Step 3: Cross multiply
    584,087.60x = 876,131.40 × 406,794.80
  4. Step 4: Simplify right side
    584,087.60x = 356,405,697,636.72
  5. Step 5: Solve for x
    x = 356,405,697,636.72/584,087.60
  6. Step 6: Final answer
    x = 610,192.20

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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.