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Finding the Fourth Proportional to 669,657.69, 924,134.45 and 363,737.07

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Solution

The fourth proportional to 669,657.69, 924,134.45 and 363,737.07 is: 501,960.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,657.69 : 924,134.45 = 363,737.07 : x
  2. Step 2: Convert to fraction form
    669,657.69/924,134.45 = 363,737.07/x
  3. Step 3: Cross multiply
    669,657.69x = 924,134.45 × 363,737.07
  4. Step 4: Simplify right side
    669,657.69x = 336,141,955,310.38
  5. Step 5: Solve for x
    x = 336,141,955,310.38/669,657.69
  6. Step 6: Final answer
    x = 501,960.87

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Double scale
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1.5x scale

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.