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Finding the Fourth Proportional to 454,571.70, 627,254.19 and 260,968.74

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Solution

The fourth proportional to 454,571.70, 627,254.19 and 260,968.74 is: 360,105.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,571.70 : 627,254.19 = 260,968.74 : x
  2. Step 2: Convert to fraction form
    454,571.70/627,254.19 = 260,968.74/x
  3. Step 3: Cross multiply
    454,571.70x = 627,254.19 × 260,968.74
  4. Step 4: Simplify right side
    454,571.70x = 163,693,735,624.02
  5. Step 5: Solve for x
    x = 163,693,735,624.02/454,571.70
  6. Step 6: Final answer
    x = 360,105.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.