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Finding the Fourth Proportional to 350,680.40, 526,020.60 and 114,030.80

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Solution

The fourth proportional to 350,680.40, 526,020.60 and 114,030.80 is: 171,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,680.40 : 526,020.60 = 114,030.80 : x
  2. Step 2: Convert to fraction form
    350,680.40/526,020.60 = 114,030.80/x
  3. Step 3: Cross multiply
    350,680.40x = 526,020.60 × 114,030.80
  4. Step 4: Simplify right side
    350,680.40x = 59,982,549,834.48
  5. Step 5: Solve for x
    x = 59,982,549,834.48/350,680.40
  6. Step 6: Final answer
    x = 171,046.20

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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.