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Finding the Fourth Proportional to 349,386.92, 482,151.03 and 196,425.77

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Solution

The fourth proportional to 349,386.92, 482,151.03 and 196,425.77 is: 271,065.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,386.92 : 482,151.03 = 196,425.77 : x
  2. Step 2: Convert to fraction form
    349,386.92/482,151.03 = 196,425.77/x
  3. Step 3: Cross multiply
    349,386.92x = 482,151.03 × 196,425.77
  4. Step 4: Simplify right side
    349,386.92x = 94,706,887,324.04
  5. Step 5: Solve for x
    x = 94,706,887,324.04/349,386.92
  6. Step 6: Final answer
    x = 271,065.92

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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.