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Finding the Fourth Proportional to 926.02, 1,277.58 and 532.77

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Solution

The fourth proportional to 926.02, 1,277.58 and 532.77 is: 735.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    926.02 : 1,277.58 = 532.77 : x
  2. Step 2: Convert to fraction form
    926.02/1,277.58 = 532.77/x
  3. Step 3: Cross multiply
    926.02x = 1,277.58 × 532.77
  4. Step 4: Simplify right side
    926.02x = 680,656.30
  5. Step 5: Solve for x
    x = 680,656.30/926.02
  6. Step 6: Final answer
    x = 735.03

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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.