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Finding the Fourth Proportional to 611,950.95, 917,709.23 and 179,547.73

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Solution

The fourth proportional to 611,950.95, 917,709.23 and 179,547.73 is: 269,257.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,950.95 : 917,709.23 = 179,547.73 : x
  2. Step 2: Convert to fraction form
    611,950.95/917,709.23 = 179,547.73/x
  3. Step 3: Cross multiply
    611,950.95x = 917,709.23 × 179,547.73
  4. Step 4: Simplify right side
    611,950.95x = 164,772,607,201.14
  5. Step 5: Solve for x
    x = 164,772,607,201.14/611,950.95
  6. Step 6: Final answer
    x = 269,257.87

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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.