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Finding the Fourth Proportional to 245,450.70, 368,176.05 and 127,352.70

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Solution

The fourth proportional to 245,450.70, 368,176.05 and 127,352.70 is: 191,029.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,450.70 : 368,176.05 = 127,352.70 : x
  2. Step 2: Convert to fraction form
    245,450.70/368,176.05 = 127,352.70/x
  3. Step 3: Cross multiply
    245,450.70x = 368,176.05 × 127,352.70
  4. Step 4: Simplify right side
    245,450.70x = 46,888,214,042.84
  5. Step 5: Solve for x
    x = 46,888,214,042.84/245,450.70
  6. Step 6: Final answer
    x = 191,029.05

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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.