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Finding the Fourth Proportional to 450,693.42, 621,957.11 and 246,757.56

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Solution

The fourth proportional to 450,693.42, 621,957.11 and 246,757.56 is: 340,525.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,693.42 : 621,957.11 = 246,757.56 : x
  2. Step 2: Convert to fraction form
    450,693.42/621,957.11 = 246,757.56/x
  3. Step 3: Cross multiply
    450,693.42x = 621,957.11 × 246,757.56
  4. Step 4: Simplify right side
    450,693.42x = 153,472,617,654.46
  5. Step 5: Solve for x
    x = 153,472,617,654.46/450,693.42
  6. Step 6: Final answer
    x = 340,525.53

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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.