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Finding the Fourth Proportional to 438,536.30, 605,180.16 and 237,332.30

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Solution

The fourth proportional to 438,536.30, 605,180.16 and 237,332.30 is: 327,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,536.30 : 605,180.16 = 237,332.30 : x
  2. Step 2: Convert to fraction form
    438,536.30/605,180.16 = 237,332.30/x
  3. Step 3: Cross multiply
    438,536.30x = 605,180.16 × 237,332.30
  4. Step 4: Simplify right side
    438,536.30x = 143,628,796,261.27
  5. Step 5: Solve for x
    x = 143,628,796,261.27/438,536.30
  6. Step 6: Final answer
    x = 327,518.61

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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.