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Finding the Fourth Proportional to 227,785.60, 341,678.40 and 216,899.20

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Solution

The fourth proportional to 227,785.60, 341,678.40 and 216,899.20 is: 325,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,785.60 : 341,678.40 = 216,899.20 : x
  2. Step 2: Convert to fraction form
    227,785.60/341,678.40 = 216,899.20/x
  3. Step 3: Cross multiply
    227,785.60x = 341,678.40 × 216,899.20
  4. Step 4: Simplify right side
    227,785.60x = 74,109,771,617.28
  5. Step 5: Solve for x
    x = 74,109,771,617.28/227,785.60
  6. Step 6: Final answer
    x = 325,348.80

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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.