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Finding the Fourth Proportional to 882, 1,322.34 and 535.26

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Solution

The fourth proportional to 882, 1,322.34 and 535.26 is: 802.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    882 : 1,322.34 = 535.26 : x
  2. Step 2: Convert to fraction form
    882/1,322.34 = 535.26/x
  3. Step 3: Cross multiply
    882x = 1,322.34 × 535.26
  4. Step 4: Simplify right side
    882x = 707,795.71
  5. Step 5: Solve for x
    x = 707,795.71/882
  6. Step 6: Final answer
    x = 802.49

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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.