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Finding the Fourth Proportional to 353,867.60, 530,801.40 and 117,246.80

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Solution

The fourth proportional to 353,867.60, 530,801.40 and 117,246.80 is: 175,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,867.60 : 530,801.40 = 117,246.80 : x
  2. Step 2: Convert to fraction form
    353,867.60/530,801.40 = 117,246.80/x
  3. Step 3: Cross multiply
    353,867.60x = 530,801.40 × 117,246.80
  4. Step 4: Simplify right side
    353,867.60x = 62,234,765,585.52
  5. Step 5: Solve for x
    x = 62,234,765,585.52/353,867.60
  6. Step 6: Final answer
    x = 175,870.20

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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.