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Finding the Fourth Proportional to 653,593.61, 901,939.54 and 363,204.20

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Solution

The fourth proportional to 653,593.61, 901,939.54 and 363,204.20 is: 501,210.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,593.61 : 901,939.54 = 363,204.20 : x
  2. Step 2: Convert to fraction form
    653,593.61/901,939.54 = 363,204.20/x
  3. Step 3: Cross multiply
    653,593.61x = 901,939.54 × 363,204.20
  4. Step 4: Simplify right side
    653,593.61x = 327,588,227,258.05
  5. Step 5: Solve for x
    x = 327,588,227,258.05/653,593.61
  6. Step 6: Final answer
    x = 501,210.88

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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.