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Finding the Fourth Proportional to 618,248.39, 927,505.69 and 191,775.62

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Solution

The fourth proportional to 618,248.39, 927,505.69 and 191,775.62 is: 287,704.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,248.39 : 927,505.69 = 191,775.62 : x
  2. Step 2: Convert to fraction form
    618,248.39/927,505.69 = 191,775.62/x
  3. Step 3: Cross multiply
    618,248.39x = 927,505.69 × 191,775.62
  4. Step 4: Simplify right side
    618,248.39x = 177,872,980,592.60
  5. Step 5: Solve for x
    x = 177,872,980,592.60/618,248.39
  6. Step 6: Final answer
    x = 287,704.72

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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.