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Finding the Fourth Proportional to 230,400.35, 345,658.85 and 64,188.35

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Solution

The fourth proportional to 230,400.35, 345,658.85 and 64,188.35 is: 96,298.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,400.35 : 345,658.85 = 64,188.35 : x
  2. Step 2: Convert to fraction form
    230,400.35/345,658.85 = 64,188.35/x
  3. Step 3: Cross multiply
    230,400.35x = 345,658.85 × 64,188.35
  4. Step 4: Simplify right side
    230,400.35x = 22,187,271,244.40
  5. Step 5: Solve for x
    x = 22,187,271,244.40/230,400.35
  6. Step 6: Final answer
    x = 96,298.77

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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.