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Finding the Fourth Proportional to 702,237.97, 969,115.90 and 396,325.04

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Solution

The fourth proportional to 702,237.97, 969,115.90 and 396,325.04 is: 546,944.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,237.97 : 969,115.90 = 396,325.04 : x
  2. Step 2: Convert to fraction form
    702,237.97/969,115.90 = 396,325.04/x
  3. Step 3: Cross multiply
    702,237.97x = 969,115.90 × 396,325.04
  4. Step 4: Simplify right side
    702,237.97x = 384,084,893,412.64
  5. Step 5: Solve for x
    x = 384,084,893,412.64/702,237.97
  6. Step 6: Final answer
    x = 546,944.07

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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.