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Finding the Fourth Proportional to 570.24, 851.88 and 560.52

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Solution

The fourth proportional to 570.24, 851.88 and 560.52 is: 837.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    570.24 : 851.88 = 560.52 : x
  2. Step 2: Convert to fraction form
    570.24/851.88 = 560.52/x
  3. Step 3: Cross multiply
    570.24x = 851.88 × 560.52
  4. Step 4: Simplify right side
    570.24x = 477,495.78
  5. Step 5: Solve for x
    x = 477,495.78/570.24
  6. Step 6: Final answer
    x = 837.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.