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Finding the Fourth Proportional to 471,352.52, 707,139.48 and 155,809.42

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Solution

The fourth proportional to 471,352.52, 707,139.48 and 155,809.42 is: 233,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,352.52 : 707,139.48 = 155,809.42 : x
  2. Step 2: Convert to fraction form
    471,352.52/707,139.48 = 155,809.42/x
  3. Step 3: Cross multiply
    471,352.52x = 707,139.48 × 155,809.42
  4. Step 4: Simplify right side
    471,352.52x = 110,178,988,702.20
  5. Step 5: Solve for x
    x = 110,178,988,702.20/471,352.52
  6. Step 6: Final answer
    x = 233,750.72

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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.