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Finding the Fourth Proportional to 301,202.70, 415,643.67 and 173,870.70

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Solution

The fourth proportional to 301,202.70, 415,643.67 and 173,870.70 is: 239,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,202.70 : 415,643.67 = 173,870.70 : x
  2. Step 2: Convert to fraction form
    301,202.70/415,643.67 = 173,870.70/x
  3. Step 3: Cross multiply
    301,202.70x = 415,643.67 × 173,870.70
  4. Step 4: Simplify right side
    301,202.70x = 72,268,255,853.47
  5. Step 5: Solve for x
    x = 72,268,255,853.47/301,202.70
  6. Step 6: Final answer
    x = 239,932.30

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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.