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Finding the Fourth Proportional to 356,949.24, 535,140.36 and 176,908.38

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Solution

The fourth proportional to 356,949.24, 535,140.36 and 176,908.38 is: 265,222.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,949.24 : 535,140.36 = 176,908.38 : x
  2. Step 2: Convert to fraction form
    356,949.24/535,140.36 = 176,908.38/x
  3. Step 3: Cross multiply
    356,949.24x = 535,140.36 × 176,908.38
  4. Step 4: Simplify right side
    356,949.24x = 94,670,814,160.22
  5. Step 5: Solve for x
    x = 94,670,814,160.22/356,949.24
  6. Step 6: Final answer
    x = 265,222.06

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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.