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Finding the Fourth Proportional to 523,787.64, 785,944.40 and 239,452.88

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Solution

The fourth proportional to 523,787.64, 785,944.40 and 239,452.88 is: 359,299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,787.64 : 785,944.40 = 239,452.88 : x
  2. Step 2: Convert to fraction form
    523,787.64/785,944.40 = 239,452.88/x
  3. Step 3: Cross multiply
    523,787.64x = 785,944.40 × 239,452.88
  4. Step 4: Simplify right side
    523,787.64x = 188,196,644,972.89
  5. Step 5: Solve for x
    x = 188,196,644,972.89/523,787.64
  6. Step 6: Final answer
    x = 359,299.51

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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.