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Finding the Fourth Proportional to 372,634.57, 513,878.39 and 250,403.14

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Solution

The fourth proportional to 372,634.57, 513,878.39 and 250,403.14 is: 345,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,634.57 : 513,878.39 = 250,403.14 : x
  2. Step 2: Convert to fraction form
    372,634.57/513,878.39 = 250,403.14/x
  3. Step 3: Cross multiply
    372,634.57x = 513,878.39 × 250,403.14
  4. Step 4: Simplify right side
    372,634.57x = 128,676,759,864.75
  5. Step 5: Solve for x
    x = 128,676,759,864.75/372,634.57
  6. Step 6: Final answer
    x = 345,316.22

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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.