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Finding the Fourth Proportional to 650,660.40, 975,961.86 and 177,345.72

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Solution

The fourth proportional to 650,660.40, 975,961.86 and 177,345.72 is: 266,010.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,660.40 : 975,961.86 = 177,345.72 : x
  2. Step 2: Convert to fraction form
    650,660.40/975,961.86 = 177,345.72/x
  3. Step 3: Cross multiply
    650,660.40x = 975,961.86 × 177,345.72
  4. Step 4: Simplify right side
    650,660.40x = 173,082,658,754.24
  5. Step 5: Solve for x
    x = 173,082,658,754.24/650,660.40
  6. Step 6: Final answer
    x = 266,010.75

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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.