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Finding the Fourth Proportional to 356,166.92, 534,266.78 and 198,276.46

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Solution

The fourth proportional to 356,166.92, 534,266.78 and 198,276.46 is: 297,423.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,166.92 : 534,266.78 = 198,276.46 : x
  2. Step 2: Convert to fraction form
    356,166.92/534,266.78 = 198,276.46/x
  3. Step 3: Cross multiply
    356,166.92x = 534,266.78 × 198,276.46
  4. Step 4: Simplify right side
    356,166.92x = 105,932,525,834.00
  5. Step 5: Solve for x
    x = 105,932,525,834.00/356,166.92
  6. Step 6: Final answer
    x = 297,423.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.