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Finding the Fourth Proportional to 546, 751.08 and 522.16

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Solution

The fourth proportional to 546, 751.08 and 522.16 is: 718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    546 : 751.08 = 522.16 : x
  2. Step 2: Convert to fraction form
    546/751.08 = 522.16/x
  3. Step 3: Cross multiply
    546x = 751.08 × 522.16
  4. Step 4: Simplify right side
    546x = 392,183.93
  5. Step 5: Solve for x
    x = 392,183.93/546
  6. Step 6: Final answer
    x = 718.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.