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Finding the Fourth Proportional to 245,878.70, 368,234.85 and 245,878.70

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Solution

The fourth proportional to 245,878.70, 368,234.85 and 245,878.70 is: 368,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,878.70 : 368,234.85 = 245,878.70 : x
  2. Step 2: Convert to fraction form
    245,878.70/368,234.85 = 245,878.70/x
  3. Step 3: Cross multiply
    245,878.70x = 368,234.85 × 245,878.70
  4. Step 4: Simplify right side
    245,878.70x = 90,541,106,212.70
  5. Step 5: Solve for x
    x = 90,541,106,212.70/245,878.70
  6. Step 6: Final answer
    x = 368,234.85

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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.