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Finding the Fourth Proportional to 329,307.12, 454,440.97 and 178,403.76

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Solution

The fourth proportional to 329,307.12, 454,440.97 and 178,403.76 is: 246,195.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,307.12 : 454,440.97 = 178,403.76 : x
  2. Step 2: Convert to fraction form
    329,307.12/454,440.97 = 178,403.76/x
  3. Step 3: Cross multiply
    329,307.12x = 454,440.97 × 178,403.76
  4. Step 4: Simplify right side
    329,307.12x = 81,073,977,746.05
  5. Step 5: Solve for x
    x = 81,073,977,746.05/329,307.12
  6. Step 6: Final answer
    x = 246,195.64

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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.