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Finding the Fourth Proportional to 462,848.80, 694,273.20 and 130,424.80

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Solution

The fourth proportional to 462,848.80, 694,273.20 and 130,424.80 is: 195,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,848.80 : 694,273.20 = 130,424.80 : x
  2. Step 2: Convert to fraction form
    462,848.80/694,273.20 = 130,424.80/x
  3. Step 3: Cross multiply
    462,848.80x = 694,273.20 × 130,424.80
  4. Step 4: Simplify right side
    462,848.80x = 90,550,443,255.36
  5. Step 5: Solve for x
    x = 90,550,443,255.36/462,848.80
  6. Step 6: Final answer
    x = 195,637.20

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Similar ratio
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1.5x scale

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.