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Finding the Fourth Proportional to 502,547.60, 753,858.32 and 187,004.48

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Solution

The fourth proportional to 502,547.60, 753,858.32 and 187,004.48 is: 280,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,547.60 : 753,858.32 = 187,004.48 : x
  2. Step 2: Convert to fraction form
    502,547.60/753,858.32 = 187,004.48/x
  3. Step 3: Cross multiply
    502,547.60x = 753,858.32 × 187,004.48
  4. Step 4: Simplify right side
    502,547.60x = 140,974,883,125.27
  5. Step 5: Solve for x
    x = 140,974,883,125.27/502,547.60
  6. Step 6: Final answer
    x = 280,520.46

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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.