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Finding the Fourth Proportional to 324,303.96, 447,520.66 and 181,073.08

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Solution

The fourth proportional to 324,303.96, 447,520.66 and 181,073.08 is: 249,870.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,303.96 : 447,520.66 = 181,073.08 : x
  2. Step 2: Convert to fraction form
    324,303.96/447,520.66 = 181,073.08/x
  3. Step 3: Cross multiply
    324,303.96x = 447,520.66 × 181,073.08
  4. Step 4: Simplify right side
    324,303.96x = 81,033,942,032.23
  5. Step 5: Solve for x
    x = 81,033,942,032.23/324,303.96
  6. Step 6: Final answer
    x = 249,870.34

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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.