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Finding the Fourth Proportional to 307,644.77, 424,549.80 and 169,823.73

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Solution

The fourth proportional to 307,644.77, 424,549.80 and 169,823.73 is: 234,356.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,644.77 : 424,549.80 = 169,823.73 : x
  2. Step 2: Convert to fraction form
    307,644.77/424,549.80 = 169,823.73/x
  3. Step 3: Cross multiply
    307,644.77x = 424,549.80 × 169,823.73
  4. Step 4: Simplify right side
    307,644.77x = 72,098,630,606.75
  5. Step 5: Solve for x
    x = 72,098,630,606.75/307,644.77
  6. Step 6: Final answer
    x = 234,356.76

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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.