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Finding the Fourth Proportional to 359,280.60, 495,836.78 and 198,150.95

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Solution

The fourth proportional to 359,280.60, 495,836.78 and 198,150.95 is: 273,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,280.60 : 495,836.78 = 198,150.95 : x
  2. Step 2: Convert to fraction form
    359,280.60/495,836.78 = 198,150.95/x
  3. Step 3: Cross multiply
    359,280.60x = 495,836.78 × 198,150.95
  4. Step 4: Simplify right side
    359,280.60x = 98,250,525,532.00
  5. Step 5: Solve for x
    x = 98,250,525,532.00/359,280.60
  6. Step 6: Final answer
    x = 273,464.60

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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.