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Finding the Fourth Proportional to 444,291.40, 666,430.54 and 107,329.16

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Solution

The fourth proportional to 444,291.40, 666,430.54 and 107,329.16 is: 160,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,291.40 : 666,430.54 = 107,329.16 : x
  2. Step 2: Convert to fraction form
    444,291.40/666,430.54 = 107,329.16/x
  3. Step 3: Cross multiply
    444,291.40x = 666,430.54 × 107,329.16
  4. Step 4: Simplify right side
    444,291.40x = 71,527,430,056.55
  5. Step 5: Solve for x
    x = 71,527,430,056.55/444,291.40
  6. Step 6: Final answer
    x = 160,992.16

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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.