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Finding the Fourth Proportional to 582,336.40, 873,209.20 and 266,522.80

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Solution

The fourth proportional to 582,336.40, 873,209.20 and 266,522.80 is: 399,649.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,336.40 : 873,209.20 = 266,522.80 : x
  2. Step 2: Convert to fraction form
    582,336.40/873,209.20 = 266,522.80/x
  3. Step 3: Cross multiply
    582,336.40x = 873,209.20 × 266,522.80
  4. Step 4: Simplify right side
    582,336.40x = 232,730,160,969.76
  5. Step 5: Solve for x
    x = 232,730,160,969.76/582,336.40
  6. Step 6: Final answer
    x = 399,649.00

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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.