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Finding the Fourth Proportional to 636,134.60, 954,201.90 and 549,529.40

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Solution

The fourth proportional to 636,134.60, 954,201.90 and 549,529.40 is: 824,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,134.60 : 954,201.90 = 549,529.40 : x
  2. Step 2: Convert to fraction form
    636,134.60/954,201.90 = 549,529.40/x
  3. Step 3: Cross multiply
    636,134.60x = 954,201.90 × 549,529.40
  4. Step 4: Simplify right side
    636,134.60x = 524,361,997,585.86
  5. Step 5: Solve for x
    x = 524,361,997,585.86/636,134.60
  6. Step 6: Final answer
    x = 824,294.10

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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.