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Finding the Fourth Proportional to 657,251.90, 985,877.85 and 236,473.10

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Solution

The fourth proportional to 657,251.90, 985,877.85 and 236,473.10 is: 354,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,251.90 : 985,877.85 = 236,473.10 : x
  2. Step 2: Convert to fraction form
    657,251.90/985,877.85 = 236,473.10/x
  3. Step 3: Cross multiply
    657,251.90x = 985,877.85 × 236,473.10
  4. Step 4: Simplify right side
    657,251.90x = 233,133,591,410.84
  5. Step 5: Solve for x
    x = 233,133,591,410.84/657,251.90
  6. Step 6: Final answer
    x = 354,709.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.