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Finding the Fourth Proportional to 469,278.90, 703,497.35 and 169,689.06

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Solution

The fourth proportional to 469,278.90, 703,497.35 and 169,689.06 is: 254,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,278.90 : 703,497.35 = 169,689.06 : x
  2. Step 2: Convert to fraction form
    469,278.90/703,497.35 = 169,689.06/x
  3. Step 3: Cross multiply
    469,278.90x = 703,497.35 × 169,689.06
  4. Step 4: Simplify right side
    469,278.90x = 119,375,804,458.21
  5. Step 5: Solve for x
    x = 119,375,804,458.21/469,278.90
  6. Step 6: Final answer
    x = 254,381.36

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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.