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Finding the Fourth Proportional to 496,468.08, 744,726.72 and 141,534.39

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Solution

The fourth proportional to 496,468.08, 744,726.72 and 141,534.39 is: 212,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,468.08 : 744,726.72 = 141,534.39 : x
  2. Step 2: Convert to fraction form
    496,468.08/744,726.72 = 141,534.39/x
  3. Step 3: Cross multiply
    496,468.08x = 744,726.72 × 141,534.39
  4. Step 4: Simplify right side
    496,468.08x = 105,404,442,031.90
  5. Step 5: Solve for x
    x = 105,404,442,031.90/496,468.08
  6. Step 6: Final answer
    x = 212,308.60

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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.