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Finding the Fourth Proportional to 356,533.29, 534,788.96 and 146,012.67

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Solution

The fourth proportional to 356,533.29, 534,788.96 and 146,012.67 is: 219,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,533.29 : 534,788.96 = 146,012.67 : x
  2. Step 2: Convert to fraction form
    356,533.29/534,788.96 = 146,012.67/x
  3. Step 3: Cross multiply
    356,533.29x = 534,788.96 × 146,012.67
  4. Step 4: Simplify right side
    356,533.29x = 78,085,963,206.06
  5. Step 5: Solve for x
    x = 78,085,963,206.06/356,533.29
  6. Step 6: Final answer
    x = 219,014.51

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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.