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Finding the Fourth Proportional to 341,309.49, 511,278.84 and 170,015.28

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Solution

The fourth proportional to 341,309.49, 511,278.84 and 170,015.28 is: 254,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,309.49 : 511,278.84 = 170,015.28 : x
  2. Step 2: Convert to fraction form
    341,309.49/511,278.84 = 170,015.28/x
  3. Step 3: Cross multiply
    341,309.49x = 511,278.84 × 170,015.28
  4. Step 4: Simplify right side
    341,309.49x = 86,925,215,140.68
  5. Step 5: Solve for x
    x = 86,925,215,140.68/341,309.49
  6. Step 6: Final answer
    x = 254,681.51

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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.