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Finding the Fourth Proportional to 242,491.40, 334,791.34 and 178,718.12

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Solution

The fourth proportional to 242,491.40, 334,791.34 and 178,718.12 is: 246,743.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,491.40 : 334,791.34 = 178,718.12 : x
  2. Step 2: Convert to fraction form
    242,491.40/334,791.34 = 178,718.12/x
  3. Step 3: Cross multiply
    242,491.40x = 334,791.34 × 178,718.12
  4. Step 4: Simplify right side
    242,491.40x = 59,833,276,756.33
  5. Step 5: Solve for x
    x = 59,833,276,756.33/242,491.40
  6. Step 6: Final answer
    x = 246,743.92

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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.