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Finding the Fourth Proportional to 440,235.26, 660,648.82 and 155,924.81

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Solution

The fourth proportional to 440,235.26, 660,648.82 and 155,924.81 is: 233,992.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,235.26 : 660,648.82 = 155,924.81 : x
  2. Step 2: Convert to fraction form
    440,235.26/660,648.82 = 155,924.81/x
  3. Step 3: Cross multiply
    440,235.26x = 660,648.82 × 155,924.81
  4. Step 4: Simplify right side
    440,235.26x = 103,011,537,652.36
  5. Step 5: Solve for x
    x = 103,011,537,652.36/440,235.26
  6. Step 6: Final answer
    x = 233,992.02

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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.