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Finding the Fourth Proportional to 624,237.52, 861,446.76 and 352,362.64

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Solution

The fourth proportional to 624,237.52, 861,446.76 and 352,362.64 is: 486,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,237.52 : 861,446.76 = 352,362.64 : x
  2. Step 2: Convert to fraction form
    624,237.52/861,446.76 = 352,362.64/x
  3. Step 3: Cross multiply
    624,237.52x = 861,446.76 × 352,362.64
  4. Step 4: Simplify right side
    624,237.52x = 303,541,654,573.05
  5. Step 5: Solve for x
    x = 303,541,654,573.05/624,237.52
  6. Step 6: Final answer
    x = 486,259.87

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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.