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Finding the Fourth Proportional to 352,159.28, 528,177.42 and 162,603.44

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Solution

The fourth proportional to 352,159.28, 528,177.42 and 162,603.44 is: 243,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,159.28 : 528,177.42 = 162,603.44 : x
  2. Step 2: Convert to fraction form
    352,159.28/528,177.42 = 162,603.44/x
  3. Step 3: Cross multiply
    352,159.28x = 528,177.42 × 162,603.44
  4. Step 4: Simplify right side
    352,159.28x = 85,883,465,422.32
  5. Step 5: Solve for x
    x = 85,883,465,422.32/352,159.28
  6. Step 6: Final answer
    x = 243,876.76

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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.