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Finding the Fourth Proportional to 440,604.88, 608,038.44 and 239,400.88

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Solution

The fourth proportional to 440,604.88, 608,038.44 and 239,400.88 is: 330,375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,604.88 : 608,038.44 = 239,400.88 : x
  2. Step 2: Convert to fraction form
    440,604.88/608,038.44 = 239,400.88/x
  3. Step 3: Cross multiply
    440,604.88x = 608,038.44 × 239,400.88
  4. Step 4: Simplify right side
    440,604.88x = 145,564,937,609.83
  5. Step 5: Solve for x
    x = 145,564,937,609.83/440,604.88
  6. Step 6: Final answer
    x = 330,375.23

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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.