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Finding the Fourth Proportional to 450,755.10, 622,022.76 and 246,802.32

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Solution

The fourth proportional to 450,755.10, 622,022.76 and 246,802.32 is: 340,576.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,755.10 : 622,022.76 = 246,802.32 : x
  2. Step 2: Convert to fraction form
    450,755.10/622,022.76 = 246,802.32/x
  3. Step 3: Cross multiply
    450,755.10x = 622,022.76 × 246,802.32
  4. Step 4: Simplify right side
    450,755.10x = 153,516,660,260.80
  5. Step 5: Solve for x
    x = 153,516,660,260.80/450,755.10
  6. Step 6: Final answer
    x = 340,576.65

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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.