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Finding the Fourth Proportional to 352,801.08, 486,868.86 and 191,657.34

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Solution

The fourth proportional to 352,801.08, 486,868.86 and 191,657.34 is: 264,488.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,801.08 : 486,868.86 = 191,657.34 : x
  2. Step 2: Convert to fraction form
    352,801.08/486,868.86 = 191,657.34/x
  3. Step 3: Cross multiply
    352,801.08x = 486,868.86 × 191,657.34
  4. Step 4: Simplify right side
    352,801.08x = 93,311,990,636.43
  5. Step 5: Solve for x
    x = 93,311,990,636.43/352,801.08
  6. Step 6: Final answer
    x = 264,488.96

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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.