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Finding the Fourth Proportional to 1,015.84, 1,524.08 and 332.32

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Solution

The fourth proportional to 1,015.84, 1,524.08 and 332.32 is: 498.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015.84 : 1,524.08 = 332.32 : x
  2. Step 2: Convert to fraction form
    1,015.84/1,524.08 = 332.32/x
  3. Step 3: Cross multiply
    1,015.84x = 1,524.08 × 332.32
  4. Step 4: Simplify right side
    1,015.84x = 506,482.27
  5. Step 5: Solve for x
    x = 506,482.27/1,015.84
  6. Step 6: Final answer
    x = 498.58

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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.