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Finding the Fourth Proportional to 488,151.54, 729,428.58 and 372,104.10

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Solution

The fourth proportional to 488,151.54, 729,428.58 and 372,104.10 is: 556,022.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,151.54 : 729,428.58 = 372,104.10 : x
  2. Step 2: Convert to fraction form
    488,151.54/729,428.58 = 372,104.10/x
  3. Step 3: Cross multiply
    488,151.54x = 729,428.58 × 372,104.10
  4. Step 4: Simplify right side
    488,151.54x = 271,423,365,275.18
  5. Step 5: Solve for x
    x = 271,423,365,275.18/488,151.54
  6. Step 6: Final answer
    x = 556,022.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.