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Finding the Fourth Proportional to 669,725.01, 924,221.49 and 363,801.45

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Solution

The fourth proportional to 669,725.01, 924,221.49 and 363,801.45 is: 502,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,725.01 : 924,221.49 = 363,801.45 : x
  2. Step 2: Convert to fraction form
    669,725.01/924,221.49 = 363,801.45/x
  3. Step 3: Cross multiply
    669,725.01x = 924,221.49 × 363,801.45
  4. Step 4: Simplify right side
    669,725.01x = 336,233,119,731.75
  5. Step 5: Solve for x
    x = 336,233,119,731.75/669,725.01
  6. Step 6: Final answer
    x = 502,046.53

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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.