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Finding the Fourth Proportional to 502,780.10, 754,010.24 and 165,758.00

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Solution

The fourth proportional to 502,780.10, 754,010.24 and 165,758.00 is: 248,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,780.10 : 754,010.24 = 165,758.00 : x
  2. Step 2: Convert to fraction form
    502,780.10/754,010.24 = 165,758.00/x
  3. Step 3: Cross multiply
    502,780.10x = 754,010.24 × 165,758.00
  4. Step 4: Simplify right side
    502,780.10x = 124,983,224,763.08
  5. Step 5: Solve for x
    x = 124,983,224,763.08/502,780.10
  6. Step 6: Final answer
    x = 248,584.27

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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.