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Finding the Fourth Proportional to 341,549.16, 511,526.64 and 269,991.43

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Solution

The fourth proportional to 341,549.16, 511,526.64 and 269,991.43 is: 404,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,549.16 : 511,526.64 = 269,991.43 : x
  2. Step 2: Convert to fraction form
    341,549.16/511,526.64 = 269,991.43/x
  3. Step 3: Cross multiply
    341,549.16x = 511,526.64 × 269,991.43
  4. Step 4: Simplify right side
    341,549.16x = 138,107,808,750.35
  5. Step 5: Solve for x
    x = 138,107,808,750.35/341,549.16
  6. Step 6: Final answer
    x = 404,357.05

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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.