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Finding the Fourth Proportional to 439,114.24, 605,978.04 and 237,910.24

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Solution

The fourth proportional to 439,114.24, 605,978.04 and 237,910.24 is: 328,316.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,114.24 : 605,978.04 = 237,910.24 : x
  2. Step 2: Convert to fraction form
    439,114.24/605,978.04 = 237,910.24/x
  3. Step 3: Cross multiply
    439,114.24x = 605,978.04 × 237,910.24
  4. Step 4: Simplify right side
    439,114.24x = 144,168,380,931.13
  5. Step 5: Solve for x
    x = 144,168,380,931.13/439,114.24
  6. Step 6: Final answer
    x = 328,316.34

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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.