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Finding the Fourth Proportional to 329,094.61, 493,544.09 and 139,552.18

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Solution

The fourth proportional to 329,094.61, 493,544.09 and 139,552.18 is: 209,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,094.61 : 493,544.09 = 139,552.18 : x
  2. Step 2: Convert to fraction form
    329,094.61/493,544.09 = 139,552.18/x
  3. Step 3: Cross multiply
    329,094.61x = 493,544.09 × 139,552.18
  4. Step 4: Simplify right side
    329,094.61x = 68,875,153,685.62
  5. Step 5: Solve for x
    x = 68,875,153,685.62/329,094.61
  6. Step 6: Final answer
    x = 209,286.79

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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.