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Finding the Fourth Proportional to 352,590.90, 486,583.92 and 191,452.74

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Solution

The fourth proportional to 352,590.90, 486,583.92 and 191,452.74 is: 264,209.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,590.90 : 486,583.92 = 191,452.74 : x
  2. Step 2: Convert to fraction form
    352,590.90/486,583.92 = 191,452.74/x
  3. Step 3: Cross multiply
    352,590.90x = 486,583.92 × 191,452.74
  4. Step 4: Simplify right side
    352,590.90x = 93,157,824,723.94
  5. Step 5: Solve for x
    x = 93,157,824,723.94/352,590.90
  6. Step 6: Final answer
    x = 264,209.38

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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.