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Finding the Fourth Proportional to 423,352.92, 635,140.04 and 245,689.14

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Solution

The fourth proportional to 423,352.92, 635,140.04 and 245,689.14 is: 368,597.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,352.92 : 635,140.04 = 245,689.14 : x
  2. Step 2: Convert to fraction form
    423,352.92/635,140.04 = 245,689.14/x
  3. Step 3: Cross multiply
    423,352.92x = 635,140.04 × 245,689.14
  4. Step 4: Simplify right side
    423,352.92x = 156,047,008,978.72
  5. Step 5: Solve for x
    x = 156,047,008,978.72/423,352.92
  6. Step 6: Final answer
    x = 368,597.93

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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.