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Finding the Fourth Proportional to 462,762.40, 694,143.60 and 252,810.40

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Solution

The fourth proportional to 462,762.40, 694,143.60 and 252,810.40 is: 379,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,762.40 : 694,143.60 = 252,810.40 : x
  2. Step 2: Convert to fraction form
    462,762.40/694,143.60 = 252,810.40/x
  3. Step 3: Cross multiply
    462,762.40x = 694,143.60 × 252,810.40
  4. Step 4: Simplify right side
    462,762.40x = 175,486,721,173.44
  5. Step 5: Solve for x
    x = 175,486,721,173.44/462,762.40
  6. Step 6: Final answer
    x = 379,215.60

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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.