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Finding the Fourth Proportional to 359,059.68, 495,320.27 and 274,029.12

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Solution

The fourth proportional to 359,059.68, 495,320.27 and 274,029.12 is: 378,021.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,059.68 : 495,320.27 = 274,029.12 : x
  2. Step 2: Convert to fraction form
    359,059.68/495,320.27 = 274,029.12/x
  3. Step 3: Cross multiply
    359,059.68x = 495,320.27 × 274,029.12
  4. Step 4: Simplify right side
    359,059.68x = 135,732,176,336.12
  5. Step 5: Solve for x
    x = 135,732,176,336.12/359,059.68
  6. Step 6: Final answer
    x = 378,021.21

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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.