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Finding the Fourth Proportional to 359,973.57, 496,794.30 and 198,846.21

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Solution

The fourth proportional to 359,973.57, 496,794.30 and 198,846.21 is: 274,424.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,973.57 : 496,794.30 = 198,846.21 : x
  2. Step 2: Convert to fraction form
    359,973.57/496,794.30 = 198,846.21/x
  3. Step 3: Cross multiply
    359,973.57x = 496,794.30 × 198,846.21
  4. Step 4: Simplify right side
    359,973.57x = 98,785,663,704.60
  5. Step 5: Solve for x
    x = 98,785,663,704.60/359,973.57
  6. Step 6: Final answer
    x = 274,424.77

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Double scale
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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.