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Finding the Fourth Proportional to 382,545.40, 573,818.10 and 360,772.60

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Solution

The fourth proportional to 382,545.40, 573,818.10 and 360,772.60 is: 541,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,545.40 : 573,818.10 = 360,772.60 : x
  2. Step 2: Convert to fraction form
    382,545.40/573,818.10 = 360,772.60/x
  3. Step 3: Cross multiply
    382,545.40x = 573,818.10 × 360,772.60
  4. Step 4: Simplify right side
    382,545.40x = 207,017,847,864.06
  5. Step 5: Solve for x
    x = 207,017,847,864.06/382,545.40
  6. Step 6: Final answer
    x = 541,158.90

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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.