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Finding the Fourth Proportional to 329,773.20, 493,104.60 and 245,792.40

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Solution

The fourth proportional to 329,773.20, 493,104.60 and 245,792.40 is: 367,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,773.20 : 493,104.60 = 245,792.40 : x
  2. Step 2: Convert to fraction form
    329,773.20/493,104.60 = 245,792.40/x
  3. Step 3: Cross multiply
    329,773.20x = 493,104.60 × 245,792.40
  4. Step 4: Simplify right side
    329,773.20x = 121,201,363,085.04
  5. Step 5: Solve for x
    x = 121,201,363,085.04/329,773.20
  6. Step 6: Final answer
    x = 367,529.45

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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.