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Finding the Fourth Proportional to 356,965.23, 535,497.96 and 104,264.28

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Solution

The fourth proportional to 356,965.23, 535,497.96 and 104,264.28 is: 156,411.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,965.23 : 535,497.96 = 104,264.28 : x
  2. Step 2: Convert to fraction form
    356,965.23/535,497.96 = 104,264.28/x
  3. Step 3: Cross multiply
    356,965.23x = 535,497.96 × 104,264.28
  4. Step 4: Simplify right side
    356,965.23x = 55,833,309,240.87
  5. Step 5: Solve for x
    x = 55,833,309,240.87/356,965.23
  6. Step 6: Final answer
    x = 156,411.06

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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.