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Finding the Fourth Proportional to 527,943.84, 728,507.94 and 324,003.36

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Solution

The fourth proportional to 527,943.84, 728,507.94 and 324,003.36 is: 447,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,943.84 : 728,507.94 = 324,003.36 : x
  2. Step 2: Convert to fraction form
    527,943.84/728,507.94 = 324,003.36/x
  3. Step 3: Cross multiply
    527,943.84x = 728,507.94 × 324,003.36
  4. Step 4: Simplify right side
    527,943.84x = 236,039,020,346.68
  5. Step 5: Solve for x
    x = 236,039,020,346.68/527,943.84
  6. Step 6: Final answer
    x = 447,091.15

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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.