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Finding the Fourth Proportional to 552,231.68, 761,705.08 and 358,292.90

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Solution

The fourth proportional to 552,231.68, 761,705.08 and 358,292.90 is: 494,201.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,231.68 : 761,705.08 = 358,292.90 : x
  2. Step 2: Convert to fraction form
    552,231.68/761,705.08 = 358,292.90/x
  3. Step 3: Cross multiply
    552,231.68x = 761,705.08 × 358,292.90
  4. Step 4: Simplify right side
    552,231.68x = 272,913,523,066.46
  5. Step 5: Solve for x
    x = 272,913,523,066.46/552,231.68
  6. Step 6: Final answer
    x = 494,201.14

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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.