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Finding the Fourth Proportional to 533,079.55, 799,127.25 and 266,608.18

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Solution

The fourth proportional to 533,079.55, 799,127.25 and 266,608.18 is: 399,666.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,079.55 : 799,127.25 = 266,608.18 : x
  2. Step 2: Convert to fraction form
    533,079.55/799,127.25 = 266,608.18/x
  3. Step 3: Cross multiply
    533,079.55x = 799,127.25 × 266,608.18
  4. Step 4: Simplify right side
    533,079.55x = 213,053,861,710.91
  5. Step 5: Solve for x
    x = 213,053,861,710.91/533,079.55
  6. Step 6: Final answer
    x = 399,666.17

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Similar ratio
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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.