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Finding the Fourth Proportional to 437,889.46, 604,287.12 and 236,685.46

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Solution

The fourth proportional to 437,889.46, 604,287.12 and 236,685.46 is: 326,625.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,889.46 : 604,287.12 = 236,685.46 : x
  2. Step 2: Convert to fraction form
    437,889.46/604,287.12 = 236,685.46/x
  3. Step 3: Cross multiply
    437,889.46x = 604,287.12 × 236,685.46
  4. Step 4: Simplify right side
    437,889.46x = 143,025,974,969.28
  5. Step 5: Solve for x
    x = 143,025,974,969.28/437,889.46
  6. Step 6: Final answer
    x = 326,625.75

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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.