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Finding the Fourth Proportional to 541,480.40, 811,529.40 and 416,200.40

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Solution

The fourth proportional to 541,480.40, 811,529.40 and 416,200.40 is: 623,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,480.40 : 811,529.40 = 416,200.40 : x
  2. Step 2: Convert to fraction form
    541,480.40/811,529.40 = 416,200.40/x
  3. Step 3: Cross multiply
    541,480.40x = 811,529.40 × 416,200.40
  4. Step 4: Simplify right side
    541,480.40x = 337,758,860,891.76
  5. Step 5: Solve for x
    x = 337,758,860,891.76/541,480.40
  6. Step 6: Final answer
    x = 623,769.32

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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.