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Finding the Fourth Proportional to 529,960.40, 795,280.80 and 293,472.80

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Solution

The fourth proportional to 529,960.40, 795,280.80 and 293,472.80 is: 440,397.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,960.40 : 795,280.80 = 293,472.80 : x
  2. Step 2: Convert to fraction form
    529,960.40/795,280.80 = 293,472.80/x
  3. Step 3: Cross multiply
    529,960.40x = 795,280.80 × 293,472.80
  4. Step 4: Simplify right side
    529,960.40x = 233,393,283,162.24
  5. Step 5: Solve for x
    x = 233,393,283,162.24/529,960.40
  6. Step 6: Final answer
    x = 440,397.59

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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.