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Finding the Fourth Proportional to 474,270.06, 654,487.92 and 259,414.32

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Solution

The fourth proportional to 474,270.06, 654,487.92 and 259,414.32 is: 357,989.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,270.06 : 654,487.92 = 259,414.32 : x
  2. Step 2: Convert to fraction form
    474,270.06/654,487.92 = 259,414.32/x
  3. Step 3: Cross multiply
    474,270.06x = 654,487.92 × 259,414.32
  4. Step 4: Simplify right side
    474,270.06x = 169,783,538,715.01
  5. Step 5: Solve for x
    x = 169,783,538,715.01/474,270.06
  6. Step 6: Final answer
    x = 357,989.16

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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.