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Finding the Fourth Proportional to 454,373.12, 627,009.32 and 250,423.42

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Solution

The fourth proportional to 454,373.12, 627,009.32 and 250,423.42 is: 345,570.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,373.12 : 627,009.32 = 250,423.42 : x
  2. Step 2: Convert to fraction form
    454,373.12/627,009.32 = 250,423.42/x
  3. Step 3: Cross multiply
    454,373.12x = 627,009.32 × 250,423.42
  4. Step 4: Simplify right side
    454,373.12x = 157,017,818,286.27
  5. Step 5: Solve for x
    x = 157,017,818,286.27/454,373.12
  6. Step 6: Final answer
    x = 345,570.22

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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.