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Finding the Fourth Proportional to 260,710.85, 359,595.29 and 239,269.74

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Solution

The fourth proportional to 260,710.85, 359,595.29 and 239,269.74 is: 330,021.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,710.85 : 359,595.29 = 239,269.74 : x
  2. Step 2: Convert to fraction form
    260,710.85/359,595.29 = 239,269.74/x
  3. Step 3: Cross multiply
    260,710.85x = 359,595.29 × 239,269.74
  4. Step 4: Simplify right side
    260,710.85x = 86,040,270,347.18
  5. Step 5: Solve for x
    x = 86,040,270,347.18/260,710.85
  6. Step 6: Final answer
    x = 330,021.83

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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.