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Finding the Fourth Proportional to 316,034.20, 472,899.30 and 233,090.20

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Solution

The fourth proportional to 316,034.20, 472,899.30 and 233,090.20 is: 348,785.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,034.20 : 472,899.30 = 233,090.20 : x
  2. Step 2: Convert to fraction form
    316,034.20/472,899.30 = 233,090.20/x
  3. Step 3: Cross multiply
    316,034.20x = 472,899.30 × 233,090.20
  4. Step 4: Simplify right side
    316,034.20x = 110,228,192,416.86
  5. Step 5: Solve for x
    x = 110,228,192,416.86/316,034.20
  6. Step 6: Final answer
    x = 348,785.65

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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.