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Finding the Fourth Proportional to 437,235.40, 655,853.10 and 250,265.80

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Solution

The fourth proportional to 437,235.40, 655,853.10 and 250,265.80 is: 375,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,235.40 : 655,853.10 = 250,265.80 : x
  2. Step 2: Convert to fraction form
    437,235.40/655,853.10 = 250,265.80/x
  3. Step 3: Cross multiply
    437,235.40x = 655,853.10 × 250,265.80
  4. Step 4: Simplify right side
    437,235.40x = 164,137,600,753.98
  5. Step 5: Solve for x
    x = 164,137,600,753.98/437,235.40
  6. Step 6: Final answer
    x = 375,398.70

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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.