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Finding the Fourth Proportional to 434,078.56, 598,920.21 and 250,373.30

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Solution

The fourth proportional to 434,078.56, 598,920.21 and 250,373.30 is: 345,452.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,078.56 : 598,920.21 = 250,373.30 : x
  2. Step 2: Convert to fraction form
    434,078.56/598,920.21 = 250,373.30/x
  3. Step 3: Cross multiply
    434,078.56x = 598,920.21 × 250,373.30
  4. Step 4: Simplify right side
    434,078.56x = 149,953,626,419.79
  5. Step 5: Solve for x
    x = 149,953,626,419.79/434,078.56
  6. Step 6: Final answer
    x = 345,452.74

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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.