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Finding the Fourth Proportional to 329,093.61, 493,542.59 and 139,551.18

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Solution

The fourth proportional to 329,093.61, 493,542.59 and 139,551.18 is: 209,285.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,093.61 : 493,542.59 = 139,551.18 : x
  2. Step 2: Convert to fraction form
    329,093.61/493,542.59 = 139,551.18/x
  3. Step 3: Cross multiply
    329,093.61x = 493,542.59 × 139,551.18
  4. Step 4: Simplify right side
    329,093.61x = 68,874,450,814.76
  5. Step 5: Solve for x
    x = 68,874,450,814.76/329,093.61
  6. Step 6: Final answer
    x = 209,285.29

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1.5x scale

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.