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Finding the Fourth Proportional to 359,026.70, 495,485.34 and 197,910.41

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Solution

The fourth proportional to 359,026.70, 495,485.34 and 197,910.41 is: 273,132.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,026.70 : 495,485.34 = 197,910.41 : x
  2. Step 2: Convert to fraction form
    359,026.70/495,485.34 = 197,910.41/x
  3. Step 3: Cross multiply
    359,026.70x = 495,485.34 × 197,910.41
  4. Step 4: Simplify right side
    359,026.70x = 98,061,707,284.94
  5. Step 5: Solve for x
    x = 98,061,707,284.94/359,026.70
  6. Step 6: Final answer
    x = 273,132.07

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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.