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Finding the Fourth Proportional to 356,961.93, 535,303.97 and 179,345.13

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Solution

The fourth proportional to 356,961.93, 535,303.97 and 179,345.13 is: 268,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,961.93 : 535,303.97 = 179,345.13 : x
  2. Step 2: Convert to fraction form
    356,961.93/535,303.97 = 179,345.13/x
  3. Step 3: Cross multiply
    356,961.93x = 535,303.97 × 179,345.13
  4. Step 4: Simplify right side
    356,961.93x = 96,004,160,089.17
  5. Step 5: Solve for x
    x = 96,004,160,089.17/356,961.93
  6. Step 6: Final answer
    x = 268,947.90

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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.