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Finding the Fourth Proportional to 295,015.70, 442,525.98 and 84,660.32

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Solution

The fourth proportional to 295,015.70, 442,525.98 and 84,660.32 is: 126,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,015.70 : 442,525.98 = 84,660.32 : x
  2. Step 2: Convert to fraction form
    295,015.70/442,525.98 = 84,660.32/x
  3. Step 3: Cross multiply
    295,015.70x = 442,525.98 × 84,660.32
  4. Step 4: Simplify right side
    295,015.70x = 37,464,391,075.11
  5. Step 5: Solve for x
    x = 37,464,391,075.11/295,015.70
  6. Step 6: Final answer
    x = 126,991.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.