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Finding the Fourth Proportional to 424,418.70, 585,766.05 and 250,017.06

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Solution

The fourth proportional to 424,418.70, 585,766.05 and 250,017.06 is: 345,063.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,418.70 : 585,766.05 = 250,017.06 : x
  2. Step 2: Convert to fraction form
    424,418.70/585,766.05 = 250,017.06/x
  3. Step 3: Cross multiply
    424,418.70x = 585,766.05 × 250,017.06
  4. Step 4: Simplify right side
    424,418.70x = 146,451,506,927.87
  5. Step 5: Solve for x
    x = 146,451,506,927.87/424,418.70
  6. Step 6: Final answer
    x = 345,063.74

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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.