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Finding the Fourth Proportional to 359,263.54, 495,813.21 and 198,150.10

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Solution

The fourth proportional to 359,263.54, 495,813.21 and 198,150.10 is: 273,463.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,263.54 : 495,813.21 = 198,150.10 : x
  2. Step 2: Convert to fraction form
    359,263.54/495,813.21 = 198,150.10/x
  3. Step 3: Cross multiply
    359,263.54x = 495,813.21 × 198,150.10
  4. Step 4: Simplify right side
    359,263.54x = 98,245,437,142.82
  5. Step 5: Solve for x
    x = 98,245,437,142.82/359,263.54
  6. Step 6: Final answer
    x = 273,463.42

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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.