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Finding the Fourth Proportional to 502,005.60, 753,101.76 and 165,065.04

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Solution

The fourth proportional to 502,005.60, 753,101.76 and 165,065.04 is: 247,628.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,005.60 : 753,101.76 = 165,065.04 : x
  2. Step 2: Convert to fraction form
    502,005.60/753,101.76 = 165,065.04/x
  3. Step 3: Cross multiply
    502,005.60x = 753,101.76 × 165,065.04
  4. Step 4: Simplify right side
    502,005.60x = 124,310,772,138.47
  5. Step 5: Solve for x
    x = 124,310,772,138.47/502,005.60
  6. Step 6: Final answer
    x = 247,628.26

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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.