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Finding the Fourth Proportional to 669,786.92, 924,306.76 and 363,863.51

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Solution

The fourth proportional to 669,786.92, 924,306.76 and 363,863.51 is: 502,132.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,786.92 : 924,306.76 = 363,863.51 : x
  2. Step 2: Convert to fraction form
    669,786.92/924,306.76 = 363,863.51/x
  3. Step 3: Cross multiply
    669,786.92x = 924,306.76 × 363,863.51
  4. Step 4: Simplify right side
    669,786.92x = 336,321,495,569.48
  5. Step 5: Solve for x
    x = 336,321,495,569.48/669,786.92
  6. Step 6: Final answer
    x = 502,132.07

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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.