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Finding the Fourth Proportional to 399,948.76, 552,068.28 and 230,250.52

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Solution

The fourth proportional to 399,948.76, 552,068.28 and 230,250.52 is: 317,825.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,948.76 : 552,068.28 = 230,250.52 : x
  2. Step 2: Convert to fraction form
    399,948.76/552,068.28 = 230,250.52/x
  3. Step 3: Cross multiply
    399,948.76x = 552,068.28 × 230,250.52
  4. Step 4: Simplify right side
    399,948.76x = 127,114,008,545.51
  5. Step 5: Solve for x
    x = 127,114,008,545.51/399,948.76
  6. Step 6: Final answer
    x = 317,825.73

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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.