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Finding the Fourth Proportional to 245,858.85, 368,132.18 and 245,858.85

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Solution

The fourth proportional to 245,858.85, 368,132.18 and 245,858.85 is: 368,132.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,858.85 : 368,132.18 = 245,858.85 : x
  2. Step 2: Convert to fraction form
    245,858.85/368,132.18 = 245,858.85/x
  3. Step 3: Cross multiply
    245,858.85x = 368,132.18 × 245,858.85
  4. Step 4: Simplify right side
    245,858.85x = 90,508,553,193.50
  5. Step 5: Solve for x
    x = 90,508,553,193.50/245,858.85
  6. Step 6: Final answer
    x = 368,132.18

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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.