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Finding the Fourth Proportional to 503,344, 755,132.80 and 170,920.32

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Solution

The fourth proportional to 503,344, 755,132.80 and 170,920.32 is: 256,420.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,344 : 755,132.80 = 170,920.32 : x
  2. Step 2: Convert to fraction form
    503,344/755,132.80 = 170,920.32/x
  3. Step 3: Cross multiply
    503,344x = 755,132.80 × 170,920.32
  4. Step 4: Simplify right side
    503,344x = 129,067,539,818.50
  5. Step 5: Solve for x
    x = 129,067,539,818.50/503,344
  6. Step 6: Final answer
    x = 256,420.14

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1.5x scale

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.