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Finding the Fourth Proportional to 297,125.80, 445,688.70 and 192,063.40

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Solution

The fourth proportional to 297,125.80, 445,688.70 and 192,063.40 is: 288,095.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,125.80 : 445,688.70 = 192,063.40 : x
  2. Step 2: Convert to fraction form
    297,125.80/445,688.70 = 192,063.40/x
  3. Step 3: Cross multiply
    297,125.80x = 445,688.70 × 192,063.40
  4. Step 4: Simplify right side
    297,125.80x = 85,600,487,063.58
  5. Step 5: Solve for x
    x = 85,600,487,063.58/297,125.80
  6. Step 6: Final answer
    x = 288,095.10

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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.