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Finding the Fourth Proportional to 1,041.19, 1,436.90 and 599.08

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Solution

The fourth proportional to 1,041.19, 1,436.90 and 599.08 is: 826.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.19 : 1,436.90 = 599.08 : x
  2. Step 2: Convert to fraction form
    1,041.19/1,436.90 = 599.08/x
  3. Step 3: Cross multiply
    1,041.19x = 1,436.90 × 599.08
  4. Step 4: Simplify right side
    1,041.19x = 860,819.55
  5. Step 5: Solve for x
    x = 860,819.55/1,041.19
  6. Step 6: Final answer
    x = 826.77

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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.