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Finding the Fourth Proportional to 587,423.30, 880,150.80 and 502,786.40

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Solution

The fourth proportional to 587,423.30, 880,150.80 and 502,786.40 is: 753,337.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,423.30 : 880,150.80 = 502,786.40 : x
  2. Step 2: Convert to fraction form
    587,423.30/880,150.80 = 502,786.40/x
  3. Step 3: Cross multiply
    587,423.30x = 880,150.80 × 502,786.40
  4. Step 4: Simplify right side
    587,423.30x = 442,527,852,189.12
  5. Step 5: Solve for x
    x = 442,527,852,189.12/587,423.30
  6. Step 6: Final answer
    x = 753,337.25

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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.