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Finding the Fourth Proportional to 439,107.01, 605,967.54 and 237,903.01

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Solution

The fourth proportional to 439,107.01, 605,967.54 and 237,903.01 is: 328,306.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,107.01 : 605,967.54 = 237,903.01 : x
  2. Step 2: Convert to fraction form
    439,107.01/605,967.54 = 237,903.01/x
  3. Step 3: Cross multiply
    439,107.01x = 605,967.54 × 237,903.01
  4. Step 4: Simplify right side
    439,107.01x = 144,161,501,728.30
  5. Step 5: Solve for x
    x = 144,161,501,728.30/439,107.01
  6. Step 6: Final answer
    x = 328,306.08

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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.