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Finding the Fourth Proportional to 804.99, 1,204.79 and 592.74

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Solution

The fourth proportional to 804.99, 1,204.79 and 592.74 is: 887.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    804.99 : 1,204.79 = 592.74 : x
  2. Step 2: Convert to fraction form
    804.99/1,204.79 = 592.74/x
  3. Step 3: Cross multiply
    804.99x = 1,204.79 × 592.74
  4. Step 4: Simplify right side
    804.99x = 714,124.26
  5. Step 5: Solve for x
    x = 714,124.26/804.99
  6. Step 6: Final answer
    x = 887.12

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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.