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Finding the Fourth Proportional to 669,791.37, 924,308.42 and 363,865.35

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Solution

The fourth proportional to 669,791.37, 924,308.42 and 363,865.35 is: 502,132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,791.37 : 924,308.42 = 363,865.35 : x
  2. Step 2: Convert to fraction form
    669,791.37/924,308.42 = 363,865.35/x
  3. Step 3: Cross multiply
    669,791.37x = 924,308.42 × 363,865.35
  4. Step 4: Simplify right side
    669,791.37x = 336,323,804,931.92
  5. Step 5: Solve for x
    x = 336,323,804,931.92/669,791.37
  6. Step 6: Final answer
    x = 502,132.19

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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.