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Finding the Fourth Proportional to 324,066.48, 447,144.94 and 186,218.76

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Solution

The fourth proportional to 324,066.48, 447,144.94 and 186,218.76 is: 256,943.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,066.48 : 447,144.94 = 186,218.76 : x
  2. Step 2: Convert to fraction form
    324,066.48/447,144.94 = 186,218.76/x
  3. Step 3: Cross multiply
    324,066.48x = 447,144.94 × 186,218.76
  4. Step 4: Simplify right side
    324,066.48x = 83,266,776,267.07
  5. Step 5: Solve for x
    x = 83,266,776,267.07/324,066.48
  6. Step 6: Final answer
    x = 256,943.50

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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.