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Finding the Fourth Proportional to 468,602.71, 646,719.47 and 337,887.89

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Solution

The fourth proportional to 468,602.71, 646,719.47 and 337,887.89 is: 466,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,602.71 : 646,719.47 = 337,887.89 : x
  2. Step 2: Convert to fraction form
    468,602.71/646,719.47 = 337,887.89/x
  3. Step 3: Cross multiply
    468,602.71x = 646,719.47 × 337,887.89
  4. Step 4: Simplify right side
    468,602.71x = 218,518,673,906.62
  5. Step 5: Solve for x
    x = 218,518,673,906.62/468,602.71
  6. Step 6: Final answer
    x = 466,319.70

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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.