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Finding the Fourth Proportional to 590,479.76, 885,723 and 147,247.76

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Solution

The fourth proportional to 590,479.76, 885,723 and 147,247.76 is: 220,872.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,479.76 : 885,723 = 147,247.76 : x
  2. Step 2: Convert to fraction form
    590,479.76/885,723 = 147,247.76/x
  3. Step 3: Cross multiply
    590,479.76x = 885,723 × 147,247.76
  4. Step 4: Simplify right side
    590,479.76x = 130,420,727,730.48
  5. Step 5: Solve for x
    x = 130,420,727,730.48/590,479.76
  6. Step 6: Final answer
    x = 220,872.48

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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.