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Finding the Fourth Proportional to 354,007.59, 530,814.51 and 117,221.10

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Solution

The fourth proportional to 354,007.59, 530,814.51 and 117,221.10 is: 175,766.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,007.59 : 530,814.51 = 117,221.10 : x
  2. Step 2: Convert to fraction form
    354,007.59/530,814.51 = 117,221.10/x
  3. Step 3: Cross multiply
    354,007.59x = 530,814.51 × 117,221.10
  4. Step 4: Simplify right side
    354,007.59x = 62,222,660,758.16
  5. Step 5: Solve for x
    x = 62,222,660,758.16/354,007.59
  6. Step 6: Final answer
    x = 175,766.46

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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.