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Finding the Fourth Proportional to 926.04, 1,391.31 and 597.14

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Solution

The fourth proportional to 926.04, 1,391.31 and 597.14 is: 897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    926.04 : 1,391.31 = 597.14 : x
  2. Step 2: Convert to fraction form
    926.04/1,391.31 = 597.14/x
  3. Step 3: Cross multiply
    926.04x = 1,391.31 × 597.14
  4. Step 4: Simplify right side
    926.04x = 830,796.91
  5. Step 5: Solve for x
    x = 830,796.91/926.04
  6. Step 6: Final answer
    x = 897.15

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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.