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Finding the Fourth Proportional to 240,315.39, 360,527.75 and 127,936.40

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Solution

The fourth proportional to 240,315.39, 360,527.75 and 127,936.40 is: 191,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,315.39 : 360,527.75 = 127,936.40 : x
  2. Step 2: Convert to fraction form
    240,315.39/360,527.75 = 127,936.40/x
  3. Step 3: Cross multiply
    240,315.39x = 360,527.75 × 127,936.40
  4. Step 4: Simplify right side
    240,315.39x = 46,124,619,992.78
  5. Step 5: Solve for x
    x = 46,124,619,992.78/240,315.39
  6. Step 6: Final answer
    x = 191,933.69

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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.