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Finding the Fourth Proportional to 524,587.20, 785,131.20 and 461,601.60

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Solution

The fourth proportional to 524,587.20, 785,131.20 and 461,601.60 is: 690,862.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,587.20 : 785,131.20 = 461,601.60 : x
  2. Step 2: Convert to fraction form
    524,587.20/785,131.20 = 461,601.60/x
  3. Step 3: Cross multiply
    524,587.20x = 785,131.20 × 461,601.60
  4. Step 4: Simplify right side
    524,587.20x = 362,417,818,129.92
  5. Step 5: Solve for x
    x = 362,417,818,129.92/524,587.20
  6. Step 6: Final answer
    x = 690,862.87

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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.