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Finding the Fourth Proportional to 260,034.83, 390,052.24 and 159,870.23

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Solution

The fourth proportional to 260,034.83, 390,052.24 and 159,870.23 is: 239,805.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,034.83 : 390,052.24 = 159,870.23 : x
  2. Step 2: Convert to fraction form
    260,034.83/390,052.24 = 159,870.23/x
  3. Step 3: Cross multiply
    260,034.83x = 390,052.24 × 159,870.23
  4. Step 4: Simplify right side
    260,034.83x = 62,357,738,970.88
  5. Step 5: Solve for x
    x = 62,357,738,970.88/260,034.83
  6. Step 6: Final answer
    x = 239,805.34

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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.