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Finding the Fourth Proportional to 440,329.36, 660,285.86 and 170,583.84

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Solution

The fourth proportional to 440,329.36, 660,285.86 and 170,583.84 is: 255,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,329.36 : 660,285.86 = 170,583.84 : x
  2. Step 2: Convert to fraction form
    440,329.36/660,285.86 = 170,583.84/x
  3. Step 3: Cross multiply
    440,329.36x = 660,285.86 × 170,583.84
  4. Step 4: Simplify right side
    440,329.36x = 112,634,097,496.50
  5. Step 5: Solve for x
    x = 112,634,097,496.50/440,329.36
  6. Step 6: Final answer
    x = 255,795.11

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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.