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Finding the Fourth Proportional to 713,374.38, 984,496.80 and 423,158.04

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Solution

The fourth proportional to 713,374.38, 984,496.80 and 423,158.04 is: 583,981.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,374.38 : 984,496.80 = 423,158.04 : x
  2. Step 2: Convert to fraction form
    713,374.38/984,496.80 = 423,158.04/x
  3. Step 3: Cross multiply
    713,374.38x = 984,496.80 × 423,158.04
  4. Step 4: Simplify right side
    713,374.38x = 416,597,736,274.27
  5. Step 5: Solve for x
    x = 416,597,736,274.27/713,374.38
  6. Step 6: Final answer
    x = 583,981.91

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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.