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Finding the Fourth Proportional to 790.08, 1,184.50 and 529.66

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Solution

The fourth proportional to 790.08, 1,184.50 and 529.66 is: 794.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    790.08 : 1,184.50 = 529.66 : x
  2. Step 2: Convert to fraction form
    790.08/1,184.50 = 529.66/x
  3. Step 3: Cross multiply
    790.08x = 1,184.50 × 529.66
  4. Step 4: Simplify right side
    790.08x = 627,382.27
  5. Step 5: Solve for x
    x = 627,382.27/790.08
  6. Step 6: Final answer
    x = 794.07

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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.