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Finding the Fourth Proportional to 738.06, 1,106.01 and 522.06

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Solution

The fourth proportional to 738.06, 1,106.01 and 522.06 is: 782.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    738.06 : 1,106.01 = 522.06 : x
  2. Step 2: Convert to fraction form
    738.06/1,106.01 = 522.06/x
  3. Step 3: Cross multiply
    738.06x = 1,106.01 × 522.06
  4. Step 4: Simplify right side
    738.06x = 577,403.58
  5. Step 5: Solve for x
    x = 577,403.58/738.06
  6. Step 6: Final answer
    x = 782.33

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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.