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Finding the Fourth Proportional to 941,382, 1,412,695.08 and 442,784.88

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Solution

The fourth proportional to 941,382, 1,412,695.08 and 442,784.88 is: 664,469.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,382 : 1,412,695.08 = 442,784.88 : x
  2. Step 2: Convert to fraction form
    941,382/1,412,695.08 = 442,784.88/x
  3. Step 3: Cross multiply
    941,382x = 1,412,695.08 × 442,784.88
  4. Step 4: Simplify right side
    941,382x = 625,520,021,474.39
  5. Step 5: Solve for x
    x = 625,520,021,474.39/941,382
  6. Step 6: Final answer
    x = 664,469.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.