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Finding the Fourth Proportional to 352,416.60, 486,335.39 and 191,271.65

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Solution

The fourth proportional to 352,416.60, 486,335.39 and 191,271.65 is: 263,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,416.60 : 486,335.39 = 191,271.65 : x
  2. Step 2: Convert to fraction form
    352,416.60/486,335.39 = 191,271.65/x
  3. Step 3: Cross multiply
    352,416.60x = 486,335.39 × 191,271.65
  4. Step 4: Simplify right side
    352,416.60x = 93,022,169,110.66
  5. Step 5: Solve for x
    x = 93,022,169,110.66/352,416.60
  6. Step 6: Final answer
    x = 263,955.13

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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.