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Finding the Fourth Proportional to 674,292.52, 930,444.42 and 372,468.52

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Solution

The fourth proportional to 674,292.52, 930,444.42 and 372,468.52 is: 513,962.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,292.52 : 930,444.42 = 372,468.52 : x
  2. Step 2: Convert to fraction form
    674,292.52/930,444.42 = 372,468.52/x
  3. Step 3: Cross multiply
    674,292.52x = 930,444.42 × 372,468.52
  4. Step 4: Simplify right side
    674,292.52x = 346,561,256,059.66
  5. Step 5: Solve for x
    x = 346,561,256,059.66/674,292.52
  6. Step 6: Final answer
    x = 513,962.78

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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.