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Finding the Fourth Proportional to 346,121.74, 477,648.39 and 195,218.74

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Solution

The fourth proportional to 346,121.74, 477,648.39 and 195,218.74 is: 269,402.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,121.74 : 477,648.39 = 195,218.74 : x
  2. Step 2: Convert to fraction form
    346,121.74/477,648.39 = 195,218.74/x
  3. Step 3: Cross multiply
    346,121.74x = 477,648.39 × 195,218.74
  4. Step 4: Simplify right side
    346,121.74x = 93,245,916,858.83
  5. Step 5: Solve for x
    x = 93,245,916,858.83/346,121.74
  6. Step 6: Final answer
    x = 269,402.08

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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.