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Finding the Fourth Proportional to 438,592.85, 605,259.96 and 237,388.85

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Solution

The fourth proportional to 438,592.85, 605,259.96 and 237,388.85 is: 327,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,592.85 : 605,259.96 = 237,388.85 : x
  2. Step 2: Convert to fraction form
    438,592.85/605,259.96 = 237,388.85/x
  3. Step 3: Cross multiply
    438,592.85x = 605,259.96 × 237,388.85
  4. Step 4: Simplify right side
    438,592.85x = 143,681,966,244.78
  5. Step 5: Solve for x
    x = 143,681,966,244.78/438,592.85
  6. Step 6: Final answer
    x = 327,597.60

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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.