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Finding the Fourth Proportional to 422,444.16, 633,660.75 and 102,598.65

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Solution

The fourth proportional to 422,444.16, 633,660.75 and 102,598.65 is: 153,896.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,444.16 : 633,660.75 = 102,598.65 : x
  2. Step 2: Convert to fraction form
    422,444.16/633,660.75 = 102,598.65/x
  3. Step 3: Cross multiply
    422,444.16x = 633,660.75 × 102,598.65
  4. Step 4: Simplify right side
    422,444.16x = 65,012,737,507.99
  5. Step 5: Solve for x
    x = 65,012,737,507.99/422,444.16
  6. Step 6: Final answer
    x = 153,896.64

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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.