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Finding the Fourth Proportional to 443,115.36, 611,496 and 241,911.36

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Solution

The fourth proportional to 443,115.36, 611,496 and 241,911.36 is: 333,835.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,115.36 : 611,496 = 241,911.36 : x
  2. Step 2: Convert to fraction form
    443,115.36/611,496 = 241,911.36/x
  3. Step 3: Cross multiply
    443,115.36x = 611,496 × 241,911.36
  4. Step 4: Simplify right side
    443,115.36x = 147,927,828,994.56
  5. Step 5: Solve for x
    x = 147,927,828,994.56/443,115.36
  6. Step 6: Final answer
    x = 333,835.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.