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Finding the Fourth Proportional to 245,626.80, 368,440.20 and 183,418.80

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Solution

The fourth proportional to 245,626.80, 368,440.20 and 183,418.80 is: 275,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,626.80 : 368,440.20 = 183,418.80 : x
  2. Step 2: Convert to fraction form
    245,626.80/368,440.20 = 183,418.80/x
  3. Step 3: Cross multiply
    245,626.80x = 368,440.20 × 183,418.80
  4. Step 4: Simplify right side
    245,626.80x = 67,578,859,355.76
  5. Step 5: Solve for x
    x = 67,578,859,355.76/245,626.80
  6. Step 6: Final answer
    x = 275,128.20

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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.