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Finding the Fourth Proportional to 438,538.11, 605,182.60 and 237,334.11

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Solution

The fourth proportional to 438,538.11, 605,182.60 and 237,334.11 is: 327,521.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,538.11 : 605,182.60 = 237,334.11 : x
  2. Step 2: Convert to fraction form
    438,538.11/605,182.60 = 237,334.11/x
  3. Step 3: Cross multiply
    438,538.11x = 605,182.60 × 237,334.11
  4. Step 4: Simplify right side
    438,538.11x = 143,630,473,758.49
  5. Step 5: Solve for x
    x = 143,630,473,758.49/438,538.11
  6. Step 6: Final answer
    x = 327,521.08

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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.