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Finding the Fourth Proportional to 238,475.10, 357,712.65 and 226,811.10

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Solution

The fourth proportional to 238,475.10, 357,712.65 and 226,811.10 is: 340,216.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,475.10 : 357,712.65 = 226,811.10 : x
  2. Step 2: Convert to fraction form
    238,475.10/357,712.65 = 226,811.10/x
  3. Step 3: Cross multiply
    238,475.10x = 357,712.65 × 226,811.10
  4. Step 4: Simplify right side
    238,475.10x = 81,133,199,630.42
  5. Step 5: Solve for x
    x = 81,133,199,630.42/238,475.10
  6. Step 6: Final answer
    x = 340,216.65

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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.