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Finding the Fourth Proportional to 343,548.45, 474,045.08 and 196,362.68

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Solution

The fourth proportional to 343,548.45, 474,045.08 and 196,362.68 is: 270,950.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,548.45 : 474,045.08 = 196,362.68 : x
  2. Step 2: Convert to fraction form
    343,548.45/474,045.08 = 196,362.68/x
  3. Step 3: Cross multiply
    343,548.45x = 474,045.08 × 196,362.68
  4. Step 4: Simplify right side
    343,548.45x = 93,084,758,997.58
  5. Step 5: Solve for x
    x = 93,084,758,997.58/343,548.45
  6. Step 6: Final answer
    x = 270,950.89

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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.