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Finding the Fourth Proportional to 230,607.56, 346,403.01 and 217,124.70

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Solution

The fourth proportional to 230,607.56, 346,403.01 and 217,124.70 is: 326,149.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,607.56 : 346,403.01 = 217,124.70 : x
  2. Step 2: Convert to fraction form
    230,607.56/346,403.01 = 217,124.70/x
  3. Step 3: Cross multiply
    230,607.56x = 346,403.01 × 217,124.70
  4. Step 4: Simplify right side
    230,607.56x = 75,212,649,625.35
  5. Step 5: Solve for x
    x = 75,212,649,625.35/230,607.56
  6. Step 6: Final answer
    x = 326,149.98

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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.