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Finding the Fourth Proportional to 460,338.16, 690,230.76 and 179,987.44

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Solution

The fourth proportional to 460,338.16, 690,230.76 and 179,987.44 is: 269,873.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,338.16 : 690,230.76 = 179,987.44 : x
  2. Step 2: Convert to fraction form
    460,338.16/690,230.76 = 179,987.44/x
  3. Step 3: Cross multiply
    460,338.16x = 690,230.76 × 179,987.44
  4. Step 4: Simplify right side
    460,338.16x = 124,232,867,501.65
  5. Step 5: Solve for x
    x = 124,232,867,501.65/460,338.16
  6. Step 6: Final answer
    x = 269,873.06

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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.