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Finding the Fourth Proportional to 450,002.92, 620,981.22 and 248,760.04

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Solution

The fourth proportional to 450,002.92, 620,981.22 and 248,760.04 is: 343,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,002.92 : 620,981.22 = 248,760.04 : x
  2. Step 2: Convert to fraction form
    450,002.92/620,981.22 = 248,760.04/x
  3. Step 3: Cross multiply
    450,002.92x = 620,981.22 × 248,760.04
  4. Step 4: Simplify right side
    450,002.92x = 154,475,313,126.45
  5. Step 5: Solve for x
    x = 154,475,313,126.45/450,002.92
  6. Step 6: Final answer
    x = 343,276.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.