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Finding the Fourth Proportional to 301,657.86, 416,186.55 and 170,817.72

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Solution

The fourth proportional to 301,657.86, 416,186.55 and 170,817.72 is: 235,671.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,657.86 : 416,186.55 = 170,817.72 : x
  2. Step 2: Convert to fraction form
    301,657.86/416,186.55 = 170,817.72/x
  3. Step 3: Cross multiply
    301,657.86x = 416,186.55 × 170,817.72
  4. Step 4: Simplify right side
    301,657.86x = 71,092,037,565.67
  5. Step 5: Solve for x
    x = 71,092,037,565.67/301,657.86
  6. Step 6: Final answer
    x = 235,671.09

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1.5x scale

Why These Related Problems?

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