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Finding the Fourth Proportional to 359,267.20, 538,900.80 and 357,193.60

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Solution

The fourth proportional to 359,267.20, 538,900.80 and 357,193.60 is: 535,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,267.20 : 538,900.80 = 357,193.60 : x
  2. Step 2: Convert to fraction form
    359,267.20/538,900.80 = 357,193.60/x
  3. Step 3: Cross multiply
    359,267.20x = 538,900.80 × 357,193.60
  4. Step 4: Simplify right side
    359,267.20x = 192,491,916,794.88
  5. Step 5: Solve for x
    x = 192,491,916,794.88/359,267.20
  6. Step 6: Final answer
    x = 535,790.40

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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.