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Finding the Fourth Proportional to 329,307.73, 454,445.12 and 178,404.73

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Solution

The fourth proportional to 329,307.73, 454,445.12 and 178,404.73 is: 246,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,307.73 : 454,445.12 = 178,404.73 : x
  2. Step 2: Convert to fraction form
    329,307.73/454,445.12 = 178,404.73/x
  3. Step 3: Cross multiply
    329,307.73x = 454,445.12 × 178,404.73
  4. Step 4: Simplify right side
    329,307.73x = 81,075,158,933.42
  5. Step 5: Solve for x
    x = 81,075,158,933.42/329,307.73
  6. Step 6: Final answer
    x = 246,198.77

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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.