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Finding the Fourth Proportional to 415,648.01, 623,420.17 and 166,332.17

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Solution

The fourth proportional to 415,648.01, 623,420.17 and 166,332.17 is: 249,477.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,648.01 : 623,420.17 = 166,332.17 : x
  2. Step 2: Convert to fraction form
    415,648.01/623,420.17 = 166,332.17/x
  3. Step 3: Cross multiply
    415,648.01x = 623,420.17 × 166,332.17
  4. Step 4: Simplify right side
    415,648.01x = 103,694,829,697.87
  5. Step 5: Solve for x
    x = 103,694,829,697.87/415,648.01
  6. Step 6: Final answer
    x = 249,477.51

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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.