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Finding the Fourth Proportional to 587,412.30, 880,134.30 and 502,775.40

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Solution

The fourth proportional to 587,412.30, 880,134.30 and 502,775.40 is: 753,320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,412.30 : 880,134.30 = 502,775.40 : x
  2. Step 2: Convert to fraction form
    587,412.30/880,134.30 = 502,775.40/x
  3. Step 3: Cross multiply
    587,412.30x = 880,134.30 × 502,775.40
  4. Step 4: Simplify right side
    587,412.30x = 442,509,874,736.22
  5. Step 5: Solve for x
    x = 442,509,874,736.22/587,412.30
  6. Step 6: Final answer
    x = 753,320.75

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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.