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Finding the Fourth Proportional to 560,571.78, 841,001.64 and 161,243.82

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Solution

The fourth proportional to 560,571.78, 841,001.64 and 161,243.82 is: 241,907.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,571.78 : 841,001.64 = 161,243.82 : x
  2. Step 2: Convert to fraction form
    560,571.78/841,001.64 = 161,243.82/x
  3. Step 3: Cross multiply
    560,571.78x = 841,001.64 × 161,243.82
  4. Step 4: Simplify right side
    560,571.78x = 135,606,317,059.87
  5. Step 5: Solve for x
    x = 135,606,317,059.87/560,571.78
  6. Step 6: Final answer
    x = 241,907.14

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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.