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Finding the Fourth Proportional to 462, 690.92 and 352.35

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Solution

The fourth proportional to 462, 690.92 and 352.35 is: 526.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    462 : 690.92 = 352.35 : x
  2. Step 2: Convert to fraction form
    462/690.92 = 352.35/x
  3. Step 3: Cross multiply
    462x = 690.92 × 352.35
  4. Step 4: Simplify right side
    462x = 243,442.17
  5. Step 5: Solve for x
    x = 243,442.17/462
  6. Step 6: Final answer
    x = 526.93

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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.