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Finding the Fourth Proportional to 450,445.25, 621,614.52 and 246,496.22

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Solution

The fourth proportional to 450,445.25, 621,614.52 and 246,496.22 is: 340,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,445.25 : 621,614.52 = 246,496.22 : x
  2. Step 2: Convert to fraction form
    450,445.25/621,614.52 = 246,496.22/x
  3. Step 3: Cross multiply
    450,445.25x = 621,614.52 × 246,496.22
  4. Step 4: Simplify right side
    450,445.25x = 153,225,632,658.86
  5. Step 5: Solve for x
    x = 153,225,632,658.86/450,445.25
  6. Step 6: Final answer
    x = 340,164.83

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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.