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Finding the Fourth Proportional to 356,927.33, 535,440.41 and 120,337.67

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Solution

The fourth proportional to 356,927.33, 535,440.41 and 120,337.67 is: 180,523.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,927.33 : 535,440.41 = 120,337.67 : x
  2. Step 2: Convert to fraction form
    356,927.33/535,440.41 = 120,337.67/x
  3. Step 3: Cross multiply
    356,927.33x = 535,440.41 × 120,337.67
  4. Step 4: Simplify right side
    356,927.33x = 64,433,651,363.24
  5. Step 5: Solve for x
    x = 64,433,651,363.24/356,927.33
  6. Step 6: Final answer
    x = 180,523.17

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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.