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Finding the Fourth Proportional to 341,311.50, 511,281.84 and 170,017.28

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Solution

The fourth proportional to 341,311.50, 511,281.84 and 170,017.28 is: 254,684.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,311.50 : 511,281.84 = 170,017.28 : x
  2. Step 2: Convert to fraction form
    341,311.50/511,281.84 = 170,017.28/x
  3. Step 3: Cross multiply
    341,311.50x = 511,281.84 × 170,017.28
  4. Step 4: Simplify right side
    341,311.50x = 86,926,747,750.20
  5. Step 5: Solve for x
    x = 86,926,747,750.20/341,311.50
  6. Step 6: Final answer
    x = 254,684.50

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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.