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Finding the Fourth Proportional to 653,086.20, 901,177.30 and 362,658.28

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Solution

The fourth proportional to 653,086.20, 901,177.30 and 362,658.28 is: 500,423.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,086.20 : 901,177.30 = 362,658.28 : x
  2. Step 2: Convert to fraction form
    653,086.20/901,177.30 = 362,658.28/x
  3. Step 3: Cross multiply
    653,086.20x = 901,177.30 × 362,658.28
  4. Step 4: Simplify right side
    653,086.20x = 326,819,409,593.04
  5. Step 5: Solve for x
    x = 326,819,409,593.04/653,086.20
  6. Step 6: Final answer
    x = 500,423.08

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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.