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Finding the Fourth Proportional to 587,875.80, 811,350.92 and 425,060.96

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Solution

The fourth proportional to 587,875.80, 811,350.92 and 425,060.96 is: 586,643.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,875.80 : 811,350.92 = 425,060.96 : x
  2. Step 2: Convert to fraction form
    587,875.80/811,350.92 = 425,060.96/x
  3. Step 3: Cross multiply
    587,875.80x = 811,350.92 × 425,060.96
  4. Step 4: Simplify right side
    587,875.80x = 344,873,600,952.08
  5. Step 5: Solve for x
    x = 344,873,600,952.08/587,875.80
  6. Step 6: Final answer
    x = 586,643.64

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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.