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Finding the Fourth Proportional to 240,020.90, 360,031.35 and 194,920.10

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Solution

The fourth proportional to 240,020.90, 360,031.35 and 194,920.10 is: 292,380.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,020.90 : 360,031.35 = 194,920.10 : x
  2. Step 2: Convert to fraction form
    240,020.90/360,031.35 = 194,920.10/x
  3. Step 3: Cross multiply
    240,020.90x = 360,031.35 × 194,920.10
  4. Step 4: Simplify right side
    240,020.90x = 70,177,346,745.14
  5. Step 5: Solve for x
    x = 70,177,346,745.14/240,020.90
  6. Step 6: Final answer
    x = 292,380.15

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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.