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Finding the Fourth Proportional to 527,187.83, 790,618.29 and 190,184.68

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Solution

The fourth proportional to 527,187.83, 790,618.29 and 190,184.68 is: 285,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,187.83 : 790,618.29 = 190,184.68 : x
  2. Step 2: Convert to fraction form
    527,187.83/790,618.29 = 190,184.68/x
  3. Step 3: Cross multiply
    527,187.83x = 790,618.29 × 190,184.68
  4. Step 4: Simplify right side
    527,187.83x = 150,363,486,485.80
  5. Step 5: Solve for x
    x = 150,363,486,485.80/527,187.83
  6. Step 6: Final answer
    x = 285,218.05

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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.