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Finding the Fourth Proportional to 440,580.25, 608,002.37 and 239,376.25

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Solution

The fourth proportional to 440,580.25, 608,002.37 and 239,376.25 is: 330,340.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,580.25 : 608,002.37 = 239,376.25 : x
  2. Step 2: Convert to fraction form
    440,580.25/608,002.37 = 239,376.25/x
  3. Step 3: Cross multiply
    440,580.25x = 608,002.37 × 239,376.25
  4. Step 4: Simplify right side
    440,580.25x = 145,541,326,124.83
  5. Step 5: Solve for x
    x = 145,541,326,124.83/440,580.25
  6. Step 6: Final answer
    x = 330,340.11

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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.