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Finding the Fourth Proportional to 498,311.60, 746,772.54 and 376,632.20

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Solution

The fourth proportional to 498,311.60, 746,772.54 and 376,632.20 is: 564,423.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,311.60 : 746,772.54 = 376,632.20 : x
  2. Step 2: Convert to fraction form
    498,311.60/746,772.54 = 376,632.20/x
  3. Step 3: Cross multiply
    498,311.60x = 746,772.54 × 376,632.20
  4. Step 4: Simplify right side
    498,311.60x = 281,258,584,639.79
  5. Step 5: Solve for x
    x = 281,258,584,639.79/498,311.60
  6. Step 6: Final answer
    x = 564,423.11

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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.