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Finding the Fourth Proportional to 332,140.20, 498,210.30 and 273,820.20

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Solution

The fourth proportional to 332,140.20, 498,210.30 and 273,820.20 is: 410,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,140.20 : 498,210.30 = 273,820.20 : x
  2. Step 2: Convert to fraction form
    332,140.20/498,210.30 = 273,820.20/x
  3. Step 3: Cross multiply
    332,140.20x = 498,210.30 × 273,820.20
  4. Step 4: Simplify right side
    332,140.20x = 136,420,043,988.06
  5. Step 5: Solve for x
    x = 136,420,043,988.06/332,140.20
  6. Step 6: Final answer
    x = 410,730.30

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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.