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Finding the Fourth Proportional to 503,348, 755,138.80 and 170,924.32

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Solution

The fourth proportional to 503,348, 755,138.80 and 170,924.32 is: 256,426.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,348 : 755,138.80 = 170,924.32 : x
  2. Step 2: Convert to fraction form
    503,348/755,138.80 = 170,924.32/x
  3. Step 3: Cross multiply
    503,348x = 755,138.80 × 170,924.32
  4. Step 4: Simplify right side
    503,348x = 129,071,585,895.62
  5. Step 5: Solve for x
    x = 129,071,585,895.62/503,348
  6. Step 6: Final answer
    x = 256,426.14

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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.