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Finding the Fourth Proportional to 231,045.60, 346,568.40 and 73,286.40

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Solution

The fourth proportional to 231,045.60, 346,568.40 and 73,286.40 is: 109,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,045.60 : 346,568.40 = 73,286.40 : x
  2. Step 2: Convert to fraction form
    231,045.60/346,568.40 = 73,286.40/x
  3. Step 3: Cross multiply
    231,045.60x = 346,568.40 × 73,286.40
  4. Step 4: Simplify right side
    231,045.60x = 25,398,750,389.76
  5. Step 5: Solve for x
    x = 25,398,750,389.76/231,045.60
  6. Step 6: Final answer
    x = 109,929.60

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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.