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Finding the Fourth Proportional to 610,548.41, 915,866.35 and 161,264.80

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Solution

The fourth proportional to 610,548.41, 915,866.35 and 161,264.80 is: 241,908.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,548.41 : 915,866.35 = 161,264.80 : x
  2. Step 2: Convert to fraction form
    610,548.41/915,866.35 = 161,264.80/x
  3. Step 3: Cross multiply
    610,548.41x = 915,866.35 × 161,264.80
  4. Step 4: Simplify right side
    610,548.41x = 147,697,004,501.15
  5. Step 5: Solve for x
    x = 147,697,004,501.15/610,548.41
  6. Step 6: Final answer
    x = 241,908.75

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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.