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Finding the Fourth Proportional to 239,233.80, 358,850.70 and 200,159.40

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Solution

The fourth proportional to 239,233.80, 358,850.70 and 200,159.40 is: 300,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,233.80 : 358,850.70 = 200,159.40 : x
  2. Step 2: Convert to fraction form
    239,233.80/358,850.70 = 200,159.40/x
  3. Step 3: Cross multiply
    239,233.80x = 358,850.70 × 200,159.40
  4. Step 4: Simplify right side
    239,233.80x = 71,827,340,801.58
  5. Step 5: Solve for x
    x = 71,827,340,801.58/239,233.80
  6. Step 6: Final answer
    x = 300,239.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.