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Finding the Fourth Proportional to 317,041.65, 437,545.08 and 173,829

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Solution

The fourth proportional to 317,041.65, 437,545.08 and 173,829 is: 239,899.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,041.65 : 437,545.08 = 173,829 : x
  2. Step 2: Convert to fraction form
    317,041.65/437,545.08 = 173,829/x
  3. Step 3: Cross multiply
    317,041.65x = 437,545.08 × 173,829
  4. Step 4: Simplify right side
    317,041.65x = 76,058,023,711.32
  5. Step 5: Solve for x
    x = 76,058,023,711.32/317,041.65
  6. Step 6: Final answer
    x = 239,899.15

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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.