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Finding the Fourth Proportional to 440,978.17, 608,634.39 and 249,992.32

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Solution

The fourth proportional to 440,978.17, 608,634.39 and 249,992.32 is: 345,037.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,978.17 : 608,634.39 = 249,992.32 : x
  2. Step 2: Convert to fraction form
    440,978.17/608,634.39 = 249,992.32/x
  3. Step 3: Cross multiply
    440,978.17x = 608,634.39 × 249,992.32
  4. Step 4: Simplify right side
    440,978.17x = 152,153,923,187.89
  5. Step 5: Solve for x
    x = 152,153,923,187.89/440,978.17
  6. Step 6: Final answer
    x = 345,037.31

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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.