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Finding the Fourth Proportional to 450,694.42, 621,957.25 and 269,397.56

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Solution

The fourth proportional to 450,694.42, 621,957.25 and 269,397.56 is: 371,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,694.42 : 621,957.25 = 269,397.56 : x
  2. Step 2: Convert to fraction form
    450,694.42/621,957.25 = 269,397.56/x
  3. Step 3: Cross multiply
    450,694.42x = 621,957.25 × 269,397.56
  4. Step 4: Simplify right side
    450,694.42x = 167,553,765,574.31
  5. Step 5: Solve for x
    x = 167,553,765,574.31/450,694.42
  6. Step 6: Final answer
    x = 371,768.01

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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.