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Finding the Fourth Proportional to 444,572.61, 666,321.90 and 216,526.45

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Solution

The fourth proportional to 444,572.61, 666,321.90 and 216,526.45 is: 324,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,572.61 : 666,321.90 = 216,526.45 : x
  2. Step 2: Convert to fraction form
    444,572.61/666,321.90 = 216,526.45/x
  3. Step 3: Cross multiply
    444,572.61x = 666,321.90 × 216,526.45
  4. Step 4: Simplify right side
    444,572.61x = 144,276,314,335.83
  5. Step 5: Solve for x
    x = 144,276,314,335.83/444,572.61
  6. Step 6: Final answer
    x = 324,528.12

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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.