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Finding the Fourth Proportional to 739,653, 1,109,293.90 and 207,036.04

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Solution

The fourth proportional to 739,653, 1,109,293.90 and 207,036.04 is: 310,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,653 : 1,109,293.90 = 207,036.04 : x
  2. Step 2: Convert to fraction form
    739,653/1,109,293.90 = 207,036.04/x
  3. Step 3: Cross multiply
    739,653x = 1,109,293.90 × 207,036.04
  4. Step 4: Simplify right side
    739,653x = 229,663,816,252.16
  5. Step 5: Solve for x
    x = 229,663,816,252.16/739,653
  6. Step 6: Final answer
    x = 310,502.11

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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.