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Finding the Fourth Proportional to 1,477.84, 2,217.24 and 504

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Solution

The fourth proportional to 1,477.84, 2,217.24 and 504 is: 756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.84 : 2,217.24 = 504 : x
  2. Step 2: Convert to fraction form
    1,477.84/2,217.24 = 504/x
  3. Step 3: Cross multiply
    1,477.84x = 2,217.24 × 504
  4. Step 4: Simplify right side
    1,477.84x = 1,117,488.96
  5. Step 5: Solve for x
    x = 1,117,488.96/1,477.84
  6. Step 6: Final answer
    x = 756.16

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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.