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Finding the Fourth Proportional to 582,334.40, 873,206.20 and 266,520.80

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Solution

The fourth proportional to 582,334.40, 873,206.20 and 266,520.80 is: 399,646.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,334.40 : 873,206.20 = 266,520.80 : x
  2. Step 2: Convert to fraction form
    582,334.40/873,206.20 = 266,520.80/x
  3. Step 3: Cross multiply
    582,334.40x = 873,206.20 × 266,520.80
  4. Step 4: Simplify right side
    582,334.40x = 232,727,614,988.96
  5. Step 5: Solve for x
    x = 232,727,614,988.96/582,334.40
  6. Step 6: Final answer
    x = 399,646.00

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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.