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Finding the Fourth Proportional to 1,532.84, 2,298.92 and 437

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Solution

The fourth proportional to 1,532.84, 2,298.92 and 437 is: 655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.84 : 2,298.92 = 437 : x
  2. Step 2: Convert to fraction form
    1,532.84/2,298.92 = 437/x
  3. Step 3: Cross multiply
    1,532.84x = 2,298.92 × 437
  4. Step 4: Simplify right side
    1,532.84x = 1,004,628.04
  5. Step 5: Solve for x
    x = 1,004,628.04/1,532.84
  6. Step 6: Final answer
    x = 655.40

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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.