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Finding the Fourth Proportional to 405,294.28, 559,383.24 and 267,230.32

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Solution

The fourth proportional to 405,294.28, 559,383.24 and 267,230.32 is: 368,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,294.28 : 559,383.24 = 267,230.32 : x
  2. Step 2: Convert to fraction form
    405,294.28/559,383.24 = 267,230.32/x
  3. Step 3: Cross multiply
    405,294.28x = 559,383.24 × 267,230.32
  4. Step 4: Simplify right side
    405,294.28x = 149,484,162,227.84
  5. Step 5: Solve for x
    x = 149,484,162,227.84/405,294.28
  6. Step 6: Final answer
    x = 368,828.70

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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.