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Finding the Fourth Proportional to 291,674.58, 439,087.68 and 262,346.16

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Solution

The fourth proportional to 291,674.58, 439,087.68 and 262,346.16 is: 394,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,674.58 : 439,087.68 = 262,346.16 : x
  2. Step 2: Convert to fraction form
    291,674.58/439,087.68 = 262,346.16/x
  3. Step 3: Cross multiply
    291,674.58x = 439,087.68 × 262,346.16
  4. Step 4: Simplify right side
    291,674.58x = 115,192,966,751.31
  5. Step 5: Solve for x
    x = 115,192,966,751.31/291,674.58
  6. Step 6: Final answer
    x = 394,936.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.