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Finding the Fourth Proportional to 440,888.49, 608,423.27 and 239,684.49

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Solution

The fourth proportional to 440,888.49, 608,423.27 and 239,684.49 is: 330,763.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,888.49 : 608,423.27 = 239,684.49 : x
  2. Step 2: Convert to fraction form
    440,888.49/608,423.27 = 239,684.49/x
  3. Step 3: Cross multiply
    440,888.49x = 608,423.27 × 239,684.49
  4. Step 4: Simplify right side
    440,888.49x = 145,829,619,975.66
  5. Step 5: Solve for x
    x = 145,829,619,975.66/440,888.49
  6. Step 6: Final answer
    x = 330,763.05

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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.