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Finding the Fourth Proportional to 346,006.54, 477,489.09 and 195,103.54

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Solution

The fourth proportional to 346,006.54, 477,489.09 and 195,103.54 is: 269,242.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,006.54 : 477,489.09 = 195,103.54 : x
  2. Step 2: Convert to fraction form
    346,006.54/477,489.09 = 195,103.54/x
  3. Step 3: Cross multiply
    346,006.54x = 477,489.09 × 195,103.54
  4. Step 4: Simplify right side
    346,006.54x = 93,159,811,770.38
  5. Step 5: Solve for x
    x = 93,159,811,770.38/346,006.54
  6. Step 6: Final answer
    x = 269,242.92

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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.