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Finding the Fourth Proportional to 489,453.67, 734,322.66 and 173,935.18

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Solution

The fourth proportional to 489,453.67, 734,322.66 and 173,935.18 is: 260,953.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,453.67 : 734,322.66 = 173,935.18 : x
  2. Step 2: Convert to fraction form
    489,453.67/734,322.66 = 173,935.18/x
  3. Step 3: Cross multiply
    489,453.67x = 734,322.66 × 173,935.18
  4. Step 4: Simplify right side
    489,453.67x = 127,724,544,045.18
  5. Step 5: Solve for x
    x = 127,724,544,045.18/489,453.67
  6. Step 6: Final answer
    x = 260,953.29

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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.