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Finding the Fourth Proportional to 527,230.17, 790,867.13 and 153,253.17

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Solution

The fourth proportional to 527,230.17, 790,867.13 and 153,253.17 is: 229,886.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,230.17 : 790,867.13 = 153,253.17 : x
  2. Step 2: Convert to fraction form
    527,230.17/790,867.13 = 153,253.17/x
  3. Step 3: Cross multiply
    527,230.17x = 790,867.13 × 153,253.17
  4. Step 4: Simplify right side
    527,230.17x = 121,202,893,955.04
  5. Step 5: Solve for x
    x = 121,202,893,955.04/527,230.17
  6. Step 6: Final answer
    x = 229,886.11

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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.