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Finding the Fourth Proportional to 537,695.60, 806,543.40 and 163,718.60

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Solution

The fourth proportional to 537,695.60, 806,543.40 and 163,718.60 is: 245,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,695.60 : 806,543.40 = 163,718.60 : x
  2. Step 2: Convert to fraction form
    537,695.60/806,543.40 = 163,718.60/x
  3. Step 3: Cross multiply
    537,695.60x = 806,543.40 × 163,718.60
  4. Step 4: Simplify right side
    537,695.60x = 132,046,156,287.24
  5. Step 5: Solve for x
    x = 132,046,156,287.24/537,695.60
  6. Step 6: Final answer
    x = 245,577.90

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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.