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Finding the Fourth Proportional to 622,737.92, 930,694.86 and 454,612.30

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Solution

The fourth proportional to 622,737.92, 930,694.86 and 454,612.30 is: 679,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,737.92 : 930,694.86 = 454,612.30 : x
  2. Step 2: Convert to fraction form
    622,737.92/930,694.86 = 454,612.30/x
  3. Step 3: Cross multiply
    622,737.92x = 930,694.86 × 454,612.30
  4. Step 4: Simplify right side
    622,737.92x = 423,105,328,576.04
  5. Step 5: Solve for x
    x = 423,105,328,576.04/622,737.92
  6. Step 6: Final answer
    x = 679,427.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.