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Finding the Fourth Proportional to 882.50, 1,322.93 and 334.26

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Solution

The fourth proportional to 882.50, 1,322.93 and 334.26 is: 501.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.50 : 1,322.93 = 334.26 : x
  2. Step 2: Convert to fraction form
    882.50/1,322.93 = 334.26/x
  3. Step 3: Cross multiply
    882.50x = 1,322.93 × 334.26
  4. Step 4: Simplify right side
    882.50x = 442,203.42
  5. Step 5: Solve for x
    x = 442,203.42/882.50
  6. Step 6: Final answer
    x = 501.08

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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.