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Finding the Fourth Proportional to 440,950.78, 608,511.27 and 239,746.30

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Solution

The fourth proportional to 440,950.78, 608,511.27 and 239,746.30 is: 330,849.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,950.78 : 608,511.27 = 239,746.30 : x
  2. Step 2: Convert to fraction form
    440,950.78/608,511.27 = 239,746.30/x
  3. Step 3: Cross multiply
    440,950.78x = 608,511.27 × 239,746.30
  4. Step 4: Simplify right side
    440,950.78x = 145,888,325,490.80
  5. Step 5: Solve for x
    x = 145,888,325,490.80/440,950.78
  6. Step 6: Final answer
    x = 330,849.46

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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.