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Finding the Fourth Proportional to 669,648.16, 924,121.25 and 363,730.52

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Solution

The fourth proportional to 669,648.16, 924,121.25 and 363,730.52 is: 501,951.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,648.16 : 924,121.25 = 363,730.52 : x
  2. Step 2: Convert to fraction form
    669,648.16/924,121.25 = 363,730.52/x
  3. Step 3: Cross multiply
    669,648.16x = 924,121.25 × 363,730.52
  4. Step 4: Simplify right side
    669,648.16x = 336,131,103,297.20
  5. Step 5: Solve for x
    x = 336,131,103,297.20/669,648.16
  6. Step 6: Final answer
    x = 501,951.81

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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.