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Finding the Fourth Proportional to 303,549.25, 418,508.56 and 248,900.08

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Solution

The fourth proportional to 303,549.25, 418,508.56 and 248,900.08 is: 343,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,549.25 : 418,508.56 = 248,900.08 : x
  2. Step 2: Convert to fraction form
    303,549.25/418,508.56 = 248,900.08/x
  3. Step 3: Cross multiply
    303,549.25x = 418,508.56 × 248,900.08
  4. Step 4: Simplify right side
    303,549.25x = 104,166,810,727.64
  5. Step 5: Solve for x
    x = 104,166,810,727.64/303,549.25
  6. Step 6: Final answer
    x = 343,162.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.