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Finding the Fourth Proportional to 478,614.27, 718,200.45 and 179,305.10

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Solution

The fourth proportional to 478,614.27, 718,200.45 and 179,305.10 is: 269,062.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,614.27 : 718,200.45 = 179,305.10 : x
  2. Step 2: Convert to fraction form
    478,614.27/718,200.45 = 179,305.10/x
  3. Step 3: Cross multiply
    478,614.27x = 718,200.45 × 179,305.10
  4. Step 4: Simplify right side
    478,614.27x = 128,776,999,916.29
  5. Step 5: Solve for x
    x = 128,776,999,916.29/478,614.27
  6. Step 6: Final answer
    x = 269,062.18

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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.