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Finding the Fourth Proportional to 440,590.08, 660,710.16 and 159,954.24

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Solution

The fourth proportional to 440,590.08, 660,710.16 and 159,954.24 is: 239,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,590.08 : 660,710.16 = 159,954.24 : x
  2. Step 2: Convert to fraction form
    440,590.08/660,710.16 = 159,954.24/x
  3. Step 3: Cross multiply
    440,590.08x = 660,710.16 × 159,954.24
  4. Step 4: Simplify right side
    440,590.08x = 105,683,391,503.08
  5. Step 5: Solve for x
    x = 105,683,391,503.08/440,590.08
  6. Step 6: Final answer
    x = 239,867.84

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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.