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Finding the Fourth Proportional to 294,718.84, 441,763.50 and 168,086.45

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Solution

The fourth proportional to 294,718.84, 441,763.50 and 168,086.45 is: 251,950.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,718.84 : 441,763.50 = 168,086.45 : x
  2. Step 2: Convert to fraction form
    294,718.84/441,763.50 = 168,086.45/x
  3. Step 3: Cross multiply
    294,718.84x = 441,763.50 × 168,086.45
  4. Step 4: Simplify right side
    294,718.84x = 74,254,458,454.58
  5. Step 5: Solve for x
    x = 74,254,458,454.58/294,718.84
  6. Step 6: Final answer
    x = 251,950.16

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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.