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Finding the Fourth Proportional to 739,651, 1,109,290.90 and 207,034.04

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Solution

The fourth proportional to 739,651, 1,109,290.90 and 207,034.04 is: 310,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,651 : 1,109,290.90 = 207,034.04 : x
  2. Step 2: Convert to fraction form
    739,651/1,109,290.90 = 207,034.04/x
  3. Step 3: Cross multiply
    739,651x = 1,109,290.90 × 207,034.04
  4. Step 4: Simplify right side
    739,651x = 229,660,976,562.24
  5. Step 5: Solve for x
    x = 229,660,976,562.24/739,651
  6. Step 6: Final answer
    x = 310,499.11

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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.