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Finding the Fourth Proportional to 929.00, 1,281.58 and 597.31

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Solution

The fourth proportional to 929.00, 1,281.58 and 597.31 is: 824.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    929.00 : 1,281.58 = 597.31 : x
  2. Step 2: Convert to fraction form
    929.00/1,281.58 = 597.31/x
  3. Step 3: Cross multiply
    929.00x = 1,281.58 × 597.31
  4. Step 4: Simplify right side
    929.00x = 765,495.85
  5. Step 5: Solve for x
    x = 765,495.85/929.00
  6. Step 6: Final answer
    x = 824.00

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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.