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Finding the Fourth Proportional to 1,041.63, 1,437.30 and 575.88

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Solution

The fourth proportional to 1,041.63, 1,437.30 and 575.88 is: 794.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.63 : 1,437.30 = 575.88 : x
  2. Step 2: Convert to fraction form
    1,041.63/1,437.30 = 575.88/x
  3. Step 3: Cross multiply
    1,041.63x = 1,437.30 × 575.88
  4. Step 4: Simplify right side
    1,041.63x = 827,712.32
  5. Step 5: Solve for x
    x = 827,712.32/1,041.63
  6. Step 6: Final answer
    x = 794.63

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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.