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Finding the Fourth Proportional to 652,076.92, 900,026.22 and 397,568.44

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Solution

The fourth proportional to 652,076.92, 900,026.22 and 397,568.44 is: 548,742.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,076.92 : 900,026.22 = 397,568.44 : x
  2. Step 2: Convert to fraction form
    652,076.92/900,026.22 = 397,568.44/x
  3. Step 3: Cross multiply
    652,076.92x = 900,026.22 × 397,568.44
  4. Step 4: Simplify right side
    652,076.92x = 357,822,020,244.50
  5. Step 5: Solve for x
    x = 357,822,020,244.50/652,076.92
  6. Step 6: Final answer
    x = 548,742.04

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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.