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Finding the Fourth Proportional to 555,722.60, 832,355.10 and 334,538.60

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Solution

The fourth proportional to 555,722.60, 832,355.10 and 334,538.60 is: 501,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,722.60 : 832,355.10 = 334,538.60 : x
  2. Step 2: Convert to fraction form
    555,722.60/832,355.10 = 334,538.60/x
  3. Step 3: Cross multiply
    555,722.60x = 832,355.10 × 334,538.60
  4. Step 4: Simplify right side
    555,722.60x = 278,454,909,856.86
  5. Step 5: Solve for x
    x = 278,454,909,856.86/555,722.60
  6. Step 6: Final answer
    x = 501,068.18

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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.