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Finding the Fourth Proportional to 481,657.40, 722,486.10 and 452,132.90

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Solution

The fourth proportional to 481,657.40, 722,486.10 and 452,132.90 is: 678,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,657.40 : 722,486.10 = 452,132.90 : x
  2. Step 2: Convert to fraction form
    481,657.40/722,486.10 = 452,132.90/x
  3. Step 3: Cross multiply
    481,657.40x = 722,486.10 × 452,132.90
  4. Step 4: Simplify right side
    481,657.40x = 326,659,735,602.69
  5. Step 5: Solve for x
    x = 326,659,735,602.69/481,657.40
  6. Step 6: Final answer
    x = 678,199.35

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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.