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Finding the Fourth Proportional to 529,586.59, 731,181.40 and 406,860.39

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Solution

The fourth proportional to 529,586.59, 731,181.40 and 406,860.39 is: 561,737.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,586.59 : 731,181.40 = 406,860.39 : x
  2. Step 2: Convert to fraction form
    529,586.59/731,181.40 = 406,860.39/x
  3. Step 3: Cross multiply
    529,586.59x = 731,181.40 × 406,860.39
  4. Step 4: Simplify right side
    529,586.59x = 297,488,750,581.90
  5. Step 5: Solve for x
    x = 297,488,750,581.90/529,586.59
  6. Step 6: Final answer
    x = 561,737.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.