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Finding the Fourth Proportional to 359,043.84, 538,107.77 and 190,644.84

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Solution

The fourth proportional to 359,043.84, 538,107.77 and 190,644.84 is: 285,724.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,043.84 : 538,107.77 = 190,644.84 : x
  2. Step 2: Convert to fraction form
    359,043.84/538,107.77 = 190,644.84/x
  3. Step 3: Cross multiply
    359,043.84x = 538,107.77 × 190,644.84
  4. Step 4: Simplify right side
    359,043.84x = 102,587,470,191.02
  5. Step 5: Solve for x
    x = 102,587,470,191.02/359,043.84
  6. Step 6: Final answer
    x = 285,724.08

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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.