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Finding the Fourth Proportional to 587,427.80, 880,157.55 and 502,790.90

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Solution

The fourth proportional to 587,427.80, 880,157.55 and 502,790.90 is: 753,344.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,427.80 : 880,157.55 = 502,790.90 : x
  2. Step 2: Convert to fraction form
    587,427.80/880,157.55 = 502,790.90/x
  3. Step 3: Cross multiply
    587,427.80x = 880,157.55 × 502,790.90
  4. Step 4: Simplify right side
    587,427.80x = 442,535,206,706.30
  5. Step 5: Solve for x
    x = 442,535,206,706.30/587,427.80
  6. Step 6: Final answer
    x = 753,344.00

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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.