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Finding the Fourth Proportional to 329,068.20, 493,602.30 and 188,711.40

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Solution

The fourth proportional to 329,068.20, 493,602.30 and 188,711.40 is: 283,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,068.20 : 493,602.30 = 188,711.40 : x
  2. Step 2: Convert to fraction form
    329,068.20/493,602.30 = 188,711.40/x
  3. Step 3: Cross multiply
    329,068.20x = 493,602.30 × 188,711.40
  4. Step 4: Simplify right side
    329,068.20x = 93,148,381,076.22
  5. Step 5: Solve for x
    x = 93,148,381,076.22/329,068.20
  6. Step 6: Final answer
    x = 283,067.10

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1.5x scale

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.