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Finding the Fourth Proportional to 674,300.52, 930,455.46 and 372,476.52

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Solution

The fourth proportional to 674,300.52, 930,455.46 and 372,476.52 is: 513,973.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,300.52 : 930,455.46 = 372,476.52 : x
  2. Step 2: Convert to fraction form
    674,300.52/930,455.46 = 372,476.52/x
  3. Step 3: Cross multiply
    674,300.52x = 930,455.46 × 372,476.52
  4. Step 4: Simplify right side
    674,300.52x = 346,572,811,755.80
  5. Step 5: Solve for x
    x = 346,572,811,755.80/674,300.52
  6. Step 6: Final answer
    x = 513,973.82

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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.