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Finding the Fourth Proportional to 454,548, 681,920.42 and 174,065.26

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Solution

The fourth proportional to 454,548, 681,920.42 and 174,065.26 is: 261,135.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,548 : 681,920.42 = 174,065.26 : x
  2. Step 2: Convert to fraction form
    454,548/681,920.42 = 174,065.26/x
  3. Step 3: Cross multiply
    454,548x = 681,920.42 × 174,065.26
  4. Step 4: Simplify right side
    454,548x = 118,698,655,206.61
  5. Step 5: Solve for x
    x = 118,698,655,206.61/454,548
  6. Step 6: Final answer
    x = 261,135.58

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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.