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Finding the Fourth Proportional to 346,584.97, 478,233.34 and 195,678.73

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Solution

The fourth proportional to 346,584.97, 478,233.34 and 195,678.73 is: 270,006.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,584.97 : 478,233.34 = 195,678.73 : x
  2. Step 2: Convert to fraction form
    346,584.97/478,233.34 = 195,678.73/x
  3. Step 3: Cross multiply
    346,584.97x = 478,233.34 × 195,678.73
  4. Step 4: Simplify right side
    346,584.97x = 93,580,092,614.86
  5. Step 5: Solve for x
    x = 93,580,092,614.86/346,584.97
  6. Step 6: Final answer
    x = 270,006.21

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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.