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Finding the Fourth Proportional to 439,477.95, 659,282.73 and 159,060.81

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Solution

The fourth proportional to 439,477.95, 659,282.73 and 159,060.81 is: 238,615.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,477.95 : 659,282.73 = 159,060.81 : x
  2. Step 2: Convert to fraction form
    439,477.95/659,282.73 = 159,060.81/x
  3. Step 3: Cross multiply
    439,477.95x = 659,282.73 × 159,060.81
  4. Step 4: Simplify right side
    439,477.95x = 104,866,046,928.64
  5. Step 5: Solve for x
    x = 104,866,046,928.64/439,477.95
  6. Step 6: Final answer
    x = 238,615.03

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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.