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Finding the Fourth Proportional to 441,529.88, 662,045.51 and 153,206.28

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Solution

The fourth proportional to 441,529.88, 662,045.51 and 153,206.28 is: 229,722.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,529.88 : 662,045.51 = 153,206.28 : x
  2. Step 2: Convert to fraction form
    441,529.88/662,045.51 = 153,206.28/x
  3. Step 3: Cross multiply
    441,529.88x = 662,045.51 × 153,206.28
  4. Step 4: Simplify right side
    441,529.88x = 101,429,529,011.77
  5. Step 5: Solve for x
    x = 101,429,529,011.77/441,529.88
  6. Step 6: Final answer
    x = 229,722.91

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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.