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Finding the Fourth Proportional to 342,461.44, 472,632.36 and 197,272.24

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Solution

The fourth proportional to 342,461.44, 472,632.36 and 197,272.24 is: 272,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,461.44 : 472,632.36 = 197,272.24 : x
  2. Step 2: Convert to fraction form
    342,461.44/472,632.36 = 197,272.24/x
  3. Step 3: Cross multiply
    342,461.44x = 472,632.36 × 197,272.24
  4. Step 4: Simplify right side
    342,461.44x = 93,237,244,353.69
  5. Step 5: Solve for x
    x = 93,237,244,353.69/342,461.44
  6. Step 6: Final answer
    x = 272,256.18

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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.