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Finding the Fourth Proportional to 352,065.40, 528,098.10 and 174,503.80

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Solution

The fourth proportional to 352,065.40, 528,098.10 and 174,503.80 is: 261,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,065.40 : 528,098.10 = 174,503.80 : x
  2. Step 2: Convert to fraction form
    352,065.40/528,098.10 = 174,503.80/x
  3. Step 3: Cross multiply
    352,065.40x = 528,098.10 × 174,503.80
  4. Step 4: Simplify right side
    352,065.40x = 92,155,125,222.78
  5. Step 5: Solve for x
    x = 92,155,125,222.78/352,065.40
  6. Step 6: Final answer
    x = 261,755.70

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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.