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Finding the Fourth Proportional to 461,456.40, 692,184.60 and 251,504.40

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Solution

The fourth proportional to 461,456.40, 692,184.60 and 251,504.40 is: 377,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,456.40 : 692,184.60 = 251,504.40 : x
  2. Step 2: Convert to fraction form
    461,456.40/692,184.60 = 251,504.40/x
  3. Step 3: Cross multiply
    461,456.40x = 692,184.60 × 251,504.40
  4. Step 4: Simplify right side
    461,456.40x = 174,087,472,512.24
  5. Step 5: Solve for x
    x = 174,087,472,512.24/461,456.40
  6. Step 6: Final answer
    x = 377,256.60

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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.