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Finding the Fourth Proportional to 230,854.40, 346,281.60 and 194,112.80

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Solution

The fourth proportional to 230,854.40, 346,281.60 and 194,112.80 is: 291,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,854.40 : 346,281.60 = 194,112.80 : x
  2. Step 2: Convert to fraction form
    230,854.40/346,281.60 = 194,112.80/x
  3. Step 3: Cross multiply
    230,854.40x = 346,281.60 × 194,112.80
  4. Step 4: Simplify right side
    230,854.40x = 67,217,690,964.48
  5. Step 5: Solve for x
    x = 67,217,690,964.48/230,854.40
  6. Step 6: Final answer
    x = 291,169.20

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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.