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Finding the Fourth Proportional to 1,555.02, 2,332.26 and 529.02

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Solution

The fourth proportional to 1,555.02, 2,332.26 and 529.02 is: 793.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555.02 : 2,332.26 = 529.02 : x
  2. Step 2: Convert to fraction form
    1,555.02/2,332.26 = 529.02/x
  3. Step 3: Cross multiply
    1,555.02x = 2,332.26 × 529.02
  4. Step 4: Simplify right side
    1,555.02x = 1,233,812.19
  5. Step 5: Solve for x
    x = 1,233,812.19/1,555.02
  6. Step 6: Final answer
    x = 793.44

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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.