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Finding the Fourth Proportional to 352,444.80, 486,374.24 and 191,299.84

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Solution

The fourth proportional to 352,444.80, 486,374.24 and 191,299.84 is: 263,994.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,444.80 : 486,374.24 = 191,299.84 : x
  2. Step 2: Convert to fraction form
    352,444.80/486,374.24 = 191,299.84/x
  3. Step 3: Cross multiply
    352,444.80x = 486,374.24 × 191,299.84
  4. Step 4: Simplify right side
    352,444.80x = 93,043,314,292.12
  5. Step 5: Solve for x
    x = 93,043,314,292.12/352,444.80
  6. Step 6: Final answer
    x = 263,994.00

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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.