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Finding the Fourth Proportional to 338,683.23, 507,960.05 and 170,156.86

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Solution

The fourth proportional to 338,683.23, 507,960.05 and 170,156.86 is: 255,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,683.23 : 507,960.05 = 170,156.86 : x
  2. Step 2: Convert to fraction form
    338,683.23/507,960.05 = 170,156.86/x
  3. Step 3: Cross multiply
    338,683.23x = 507,960.05 × 170,156.86
  4. Step 4: Simplify right side
    338,683.23x = 86,432,884,992.76
  5. Step 5: Solve for x
    x = 86,432,884,992.76/338,683.23
  6. Step 6: Final answer
    x = 255,202.73

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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.