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Finding the Fourth Proportional to 329,254.48, 454,370.76 and 178,352.08

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Solution

The fourth proportional to 329,254.48, 454,370.76 and 178,352.08 is: 246,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,254.48 : 454,370.76 = 178,352.08 : x
  2. Step 2: Convert to fraction form
    329,254.48/454,370.76 = 178,352.08/x
  3. Step 3: Cross multiply
    329,254.48x = 454,370.76 × 178,352.08
  4. Step 4: Simplify right side
    329,254.48x = 81,037,970,137.18
  5. Step 5: Solve for x
    x = 81,037,970,137.18/329,254.48
  6. Step 6: Final answer
    x = 246,125.64

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1.5x scale

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.