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Finding the Fourth Proportional to 607,517.70, 910,547.55 and 252,348.90

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Solution

The fourth proportional to 607,517.70, 910,547.55 and 252,348.90 is: 378,220.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,517.70 : 910,547.55 = 252,348.90 : x
  2. Step 2: Convert to fraction form
    607,517.70/910,547.55 = 252,348.90/x
  3. Step 3: Cross multiply
    607,517.70x = 910,547.55 × 252,348.90
  4. Step 4: Simplify right side
    607,517.70x = 229,775,672,640.20
  5. Step 5: Solve for x
    x = 229,775,672,640.20/607,517.70
  6. Step 6: Final answer
    x = 378,220.54

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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.