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Finding the Fourth Proportional to 356,882.36, 535,463.66 and 157,062.58

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Solution

The fourth proportional to 356,882.36, 535,463.66 and 157,062.58 is: 235,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,882.36 : 535,463.66 = 157,062.58 : x
  2. Step 2: Convert to fraction form
    356,882.36/535,463.66 = 157,062.58/x
  3. Step 3: Cross multiply
    356,882.36x = 535,463.66 × 157,062.58
  4. Step 4: Simplify right side
    356,882.36x = 84,101,302,989.84
  5. Step 5: Solve for x
    x = 84,101,302,989.84/356,882.36
  6. Step 6: Final answer
    x = 235,655.54

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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.