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Finding the Fourth Proportional to 330,461.43, 456,039.53 and 179,558.43

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Solution

The fourth proportional to 330,461.43, 456,039.53 and 179,558.43 is: 247,792.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,461.43 : 456,039.53 = 179,558.43 : x
  2. Step 2: Convert to fraction form
    330,461.43/456,039.53 = 179,558.43/x
  3. Step 3: Cross multiply
    330,461.43x = 456,039.53 × 179,558.43
  4. Step 4: Simplify right side
    330,461.43x = 81,885,742,024.74
  5. Step 5: Solve for x
    x = 81,885,742,024.74/330,461.43
  6. Step 6: Final answer
    x = 247,792.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.