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Finding the Fourth Proportional to 467,276.80, 700,915.20 and 171,750.40

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Solution

The fourth proportional to 467,276.80, 700,915.20 and 171,750.40 is: 257,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,276.80 : 700,915.20 = 171,750.40 : x
  2. Step 2: Convert to fraction form
    467,276.80/700,915.20 = 171,750.40/x
  3. Step 3: Cross multiply
    467,276.80x = 700,915.20 × 171,750.40
  4. Step 4: Simplify right side
    467,276.80x = 120,382,465,966.08
  5. Step 5: Solve for x
    x = 120,382,465,966.08/467,276.80
  6. Step 6: Final answer
    x = 257,625.60

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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.