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Finding the Fourth Proportional to 296,852.84, 445,009.38 and 154,530.91

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Solution

The fourth proportional to 296,852.84, 445,009.38 and 154,530.91 is: 231,655.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,852.84 : 445,009.38 = 154,530.91 : x
  2. Step 2: Convert to fraction form
    296,852.84/445,009.38 = 154,530.91/x
  3. Step 3: Cross multiply
    296,852.84x = 445,009.38 × 154,530.91
  4. Step 4: Simplify right side
    296,852.84x = 68,767,705,006.20
  5. Step 5: Solve for x
    x = 68,767,705,006.20/296,852.84
  6. Step 6: Final answer
    x = 231,655.88

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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.