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Finding the Fourth Proportional to 1,015.04, 1,521.93 and 467.30

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Solution

The fourth proportional to 1,015.04, 1,521.93 and 467.30 is: 700.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015.04 : 1,521.93 = 467.30 : x
  2. Step 2: Convert to fraction form
    1,015.04/1,521.93 = 467.30/x
  3. Step 3: Cross multiply
    1,015.04x = 1,521.93 × 467.30
  4. Step 4: Simplify right side
    1,015.04x = 711,197.89
  5. Step 5: Solve for x
    x = 711,197.89/1,015.04
  6. Step 6: Final answer
    x = 700.66

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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.