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Finding the Fourth Proportional to 451,461.60, 676,973.70 and 251,569.80

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Solution

The fourth proportional to 451,461.60, 676,973.70 and 251,569.80 is: 377,232.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,461.60 : 676,973.70 = 251,569.80 : x
  2. Step 2: Convert to fraction form
    451,461.60/676,973.70 = 251,569.80/x
  3. Step 3: Cross multiply
    451,461.60x = 676,973.70 × 251,569.80
  4. Step 4: Simplify right side
    451,461.60x = 170,306,138,314.26
  5. Step 5: Solve for x
    x = 170,306,138,314.26/451,461.60
  6. Step 6: Final answer
    x = 377,232.83

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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.