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Finding the Fourth Proportional to 669,701.38, 924,204.57 and 363,777.67

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Solution

The fourth proportional to 669,701.38, 924,204.57 and 363,777.67 is: 502,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,701.38 : 924,204.57 = 363,777.67 : x
  2. Step 2: Convert to fraction form
    669,701.38/924,204.57 = 363,777.67/x
  3. Step 3: Cross multiply
    669,701.38x = 924,204.57 × 363,777.67
  4. Step 4: Simplify right side
    669,701.38x = 336,204,980,456.93
  5. Step 5: Solve for x
    x = 336,204,980,456.93/669,701.38
  6. Step 6: Final answer
    x = 502,022.23

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Double scale
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Similar ratio
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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.