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Finding the Fourth Proportional to 684,671.27, 944,527.95 and 443,031.84

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Solution

The fourth proportional to 684,671.27, 944,527.95 and 443,031.84 is: 611,177.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,671.27 : 944,527.95 = 443,031.84 : x
  2. Step 2: Convert to fraction form
    684,671.27/944,527.95 = 443,031.84/x
  3. Step 3: Cross multiply
    684,671.27x = 944,527.95 × 443,031.84
  4. Step 4: Simplify right side
    684,671.27x = 418,455,955,619.93
  5. Step 5: Solve for x
    x = 418,455,955,619.93/684,671.27
  6. Step 6: Final answer
    x = 611,177.91

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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.