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Finding the Fourth Proportional to 439,115.04, 605,978.82 and 237,911.04

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Solution

The fourth proportional to 439,115.04, 605,978.82 and 237,911.04 is: 328,317.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,115.04 : 605,978.82 = 237,911.04 : x
  2. Step 2: Convert to fraction form
    439,115.04/605,978.82 = 237,911.04/x
  3. Step 3: Cross multiply
    439,115.04x = 605,978.82 × 237,911.04
  4. Step 4: Simplify right side
    439,115.04x = 144,169,051,284.17
  5. Step 5: Solve for x
    x = 144,169,051,284.17/439,115.04
  6. Step 6: Final answer
    x = 328,317.27

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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.