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Finding the Fourth Proportional to 614.61, 848.10 and 352.62

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Solution

The fourth proportional to 614.61, 848.10 and 352.62 is: 486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.61 : 848.10 = 352.62 : x
  2. Step 2: Convert to fraction form
    614.61/848.10 = 352.62/x
  3. Step 3: Cross multiply
    614.61x = 848.10 × 352.62
  4. Step 4: Simplify right side
    614.61x = 299,057.02
  5. Step 5: Solve for x
    x = 299,057.02/614.61
  6. Step 6: Final answer
    x = 486.58

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