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Finding the Fourth Proportional to 976.16, 1,465.20 and 592.16

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Solution

The fourth proportional to 976.16, 1,465.20 and 592.16 is: 888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    976.16 : 1,465.20 = 592.16 : x
  2. Step 2: Convert to fraction form
    976.16/1,465.20 = 592.16/x
  3. Step 3: Cross multiply
    976.16x = 1,465.20 × 592.16
  4. Step 4: Simplify right side
    976.16x = 867,632.83
  5. Step 5: Solve for x
    x = 867,632.83/976.16
  6. Step 6: Final answer
    x = 888.82

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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.