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Finding the Fourth Proportional to 362,645.40, 500,242.16 and 226,442.88

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Solution

The fourth proportional to 362,645.40, 500,242.16 and 226,442.88 is: 312,360.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,645.40 : 500,242.16 = 226,442.88 : x
  2. Step 2: Convert to fraction form
    362,645.40/500,242.16 = 226,442.88/x
  3. Step 3: Cross multiply
    362,645.40x = 500,242.16 × 226,442.88
  4. Step 4: Simplify right side
    362,645.40x = 113,276,275,407.82
  5. Step 5: Solve for x
    x = 113,276,275,407.82/362,645.40
  6. Step 6: Final answer
    x = 312,360.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.