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Finding the Fourth Proportional to 295,185.20, 442,907.40 and 137,332.40

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Solution

The fourth proportional to 295,185.20, 442,907.40 and 137,332.40 is: 206,058.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,185.20 : 442,907.40 = 137,332.40 : x
  2. Step 2: Convert to fraction form
    295,185.20/442,907.40 = 137,332.40/x
  3. Step 3: Cross multiply
    295,185.20x = 442,907.40 × 137,332.40
  4. Step 4: Simplify right side
    295,185.20x = 60,825,536,219.76
  5. Step 5: Solve for x
    x = 60,825,536,219.76/295,185.20
  6. Step 6: Final answer
    x = 206,058.90

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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.