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Finding the Fourth Proportional to 228,351.57, 342,560.15 and 70,592.32

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Solution

The fourth proportional to 228,351.57, 342,560.15 and 70,592.32 is: 105,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,351.57 : 342,560.15 = 70,592.32 : x
  2. Step 2: Convert to fraction form
    228,351.57/342,560.15 = 70,592.32/x
  3. Step 3: Cross multiply
    228,351.57x = 342,560.15 × 70,592.32
  4. Step 4: Simplify right side
    228,351.57x = 24,182,115,728.05
  5. Step 5: Solve for x
    x = 24,182,115,728.05/228,351.57
  6. Step 6: Final answer
    x = 105,898.62

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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.