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Finding the Fourth Proportional to 372,052.47, 513,685.97 and 249,728.32

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Solution

The fourth proportional to 372,052.47, 513,685.97 and 249,728.32 is: 344,795.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,052.47 : 513,685.97 = 249,728.32 : x
  2. Step 2: Convert to fraction form
    372,052.47/513,685.97 = 249,728.32/x
  3. Step 3: Cross multiply
    372,052.47x = 513,685.97 × 249,728.32
  4. Step 4: Simplify right side
    372,052.47x = 128,281,934,295.67
  5. Step 5: Solve for x
    x = 128,281,934,295.67/372,052.47
  6. Step 6: Final answer
    x = 344,795.28

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1.5x scale

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.