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Finding the Fourth Proportional to 615,363.75, 849,231.14 and 347,091.75

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Solution

The fourth proportional to 615,363.75, 849,231.14 and 347,091.75 is: 479,003.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,363.75 : 849,231.14 = 347,091.75 : x
  2. Step 2: Convert to fraction form
    615,363.75/849,231.14 = 347,091.75/x
  3. Step 3: Cross multiply
    615,363.75x = 849,231.14 × 347,091.75
  4. Step 4: Simplify right side
    615,363.75x = 294,761,120,801.64
  5. Step 5: Solve for x
    x = 294,761,120,801.64/615,363.75
  6. Step 6: Final answer
    x = 479,003.06

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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.