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Finding the Fourth Proportional to 480,461.46, 720,129.27 and 195,974.46

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Solution

The fourth proportional to 480,461.46, 720,129.27 and 195,974.46 is: 293,732.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,461.46 : 720,129.27 = 195,974.46 : x
  2. Step 2: Convert to fraction form
    480,461.46/720,129.27 = 195,974.46/x
  3. Step 3: Cross multiply
    480,461.46x = 720,129.27 × 195,974.46
  4. Step 4: Simplify right side
    480,461.46x = 141,126,944,818.44
  5. Step 5: Solve for x
    x = 141,126,944,818.44/480,461.46
  6. Step 6: Final answer
    x = 293,732.08

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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.