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Finding the Fourth Proportional to 343,678.60, 515,517.90 and 184,246.30

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Solution

The fourth proportional to 343,678.60, 515,517.90 and 184,246.30 is: 276,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,678.60 : 515,517.90 = 184,246.30 : x
  2. Step 2: Convert to fraction form
    343,678.60/515,517.90 = 184,246.30/x
  3. Step 3: Cross multiply
    343,678.60x = 515,517.90 × 184,246.30
  4. Step 4: Simplify right side
    343,678.60x = 94,982,265,658.77
  5. Step 5: Solve for x
    x = 94,982,265,658.77/343,678.60
  6. Step 6: Final answer
    x = 276,369.45

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1.5x scale

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.