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Finding the Fourth Proportional to 1,033.22, 1,549.53 and 570.92

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Solution

The fourth proportional to 1,033.22, 1,549.53 and 570.92 is: 856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.22 : 1,549.53 = 570.92 : x
  2. Step 2: Convert to fraction form
    1,033.22/1,549.53 = 570.92/x
  3. Step 3: Cross multiply
    1,033.22x = 1,549.53 × 570.92
  4. Step 4: Simplify right side
    1,033.22x = 884,649.92
  5. Step 5: Solve for x
    x = 884,649.92/1,033.22
  6. Step 6: Final answer
    x = 856.20

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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.