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Finding the Fourth Proportional to 461,717.20, 692,575.80 and 408,840.40

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Solution

The fourth proportional to 461,717.20, 692,575.80 and 408,840.40 is: 613,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,717.20 : 692,575.80 = 408,840.40 : x
  2. Step 2: Convert to fraction form
    461,717.20/692,575.80 = 408,840.40/x
  3. Step 3: Cross multiply
    461,717.20x = 692,575.80 × 408,840.40
  4. Step 4: Simplify right side
    461,717.20x = 283,152,967,102.32
  5. Step 5: Solve for x
    x = 283,152,967,102.32/461,717.20
  6. Step 6: Final answer
    x = 613,260.60

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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.