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Finding the Fourth Proportional to 669,630.44, 924,096.78 and 363,709.76

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Solution

The fourth proportional to 669,630.44, 924,096.78 and 363,709.76 is: 501,923.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,630.44 : 924,096.78 = 363,709.76 : x
  2. Step 2: Convert to fraction form
    669,630.44/924,096.78 = 363,709.76/x
  3. Step 3: Cross multiply
    669,630.44x = 924,096.78 × 363,709.76
  4. Step 4: Simplify right side
    669,630.44x = 336,103,018,070.57
  5. Step 5: Solve for x
    x = 336,103,018,070.57/669,630.44
  6. Step 6: Final answer
    x = 501,923.15

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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.