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Finding the Fourth Proportional to 324,501.40, 447,807.18 and 181,263.40

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Solution

The fourth proportional to 324,501.40, 447,807.18 and 181,263.40 is: 250,140.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,501.40 : 447,807.18 = 181,263.40 : x
  2. Step 2: Convert to fraction form
    324,501.40/447,807.18 = 181,263.40/x
  3. Step 3: Cross multiply
    324,501.40x = 447,807.18 × 181,263.40
  4. Step 4: Simplify right side
    324,501.40x = 81,171,051,991.21
  5. Step 5: Solve for x
    x = 81,171,051,991.21/324,501.40
  6. Step 6: Final answer
    x = 250,140.84

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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.