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Finding the Fourth Proportional to 534,123.95, 800,928.95 and 178,889.54

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Solution

The fourth proportional to 534,123.95, 800,928.95 and 178,889.54 is: 268,248.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,123.95 : 800,928.95 = 178,889.54 : x
  2. Step 2: Convert to fraction form
    534,123.95/800,928.95 = 178,889.54/x
  3. Step 3: Cross multiply
    534,123.95x = 800,928.95 × 178,889.54
  4. Step 4: Simplify right side
    534,123.95x = 143,277,812,546.06
  5. Step 5: Solve for x
    x = 143,277,812,546.06/534,123.95
  6. Step 6: Final answer
    x = 268,248.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.