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Finding the Fourth Proportional to 537,381.64, 805,891.74 and 270,972.04

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Solution

The fourth proportional to 537,381.64, 805,891.74 and 270,972.04 is: 406,366.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,381.64 : 805,891.74 = 270,972.04 : x
  2. Step 2: Convert to fraction form
    537,381.64/805,891.74 = 270,972.04/x
  3. Step 3: Cross multiply
    537,381.64x = 805,891.74 × 270,972.04
  4. Step 4: Simplify right side
    537,381.64x = 218,374,128,806.95
  5. Step 5: Solve for x
    x = 218,374,128,806.95/537,381.64
  6. Step 6: Final answer
    x = 406,366.93

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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.