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Finding the Fourth Proportional to 1,497.40, 2,244.56 and 522.84

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Solution

The fourth proportional to 1,497.40, 2,244.56 and 522.84 is: 783.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.40 : 2,244.56 = 522.84 : x
  2. Step 2: Convert to fraction form
    1,497.40/2,244.56 = 522.84/x
  3. Step 3: Cross multiply
    1,497.40x = 2,244.56 × 522.84
  4. Step 4: Simplify right side
    1,497.40x = 1,173,545.75
  5. Step 5: Solve for x
    x = 1,173,545.75/1,497.40
  6. Step 6: Final answer
    x = 783.72

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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.