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Finding the Fourth Proportional to 372,049.47, 513,681.83 and 249,725.32

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Solution

The fourth proportional to 372,049.47, 513,681.83 and 249,725.32 is: 344,791.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,049.47 : 513,681.83 = 249,725.32 : x
  2. Step 2: Convert to fraction form
    372,049.47/513,681.83 = 249,725.32/x
  3. Step 3: Cross multiply
    372,049.47x = 513,681.83 × 249,725.32
  4. Step 4: Simplify right side
    372,049.47x = 128,279,358,715.04
  5. Step 5: Solve for x
    x = 128,279,358,715.04/372,049.47
  6. Step 6: Final answer
    x = 344,791.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.