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Finding the Fourth Proportional to 624,253.64, 861,407.70 and 352,295.24

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Solution

The fourth proportional to 624,253.64, 861,407.70 and 352,295.24 is: 486,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,253.64 : 861,407.70 = 352,295.24 : x
  2. Step 2: Convert to fraction form
    624,253.64/861,407.70 = 352,295.24/x
  3. Step 3: Cross multiply
    624,253.64x = 861,407.70 × 352,295.24
  4. Step 4: Simplify right side
    624,253.64x = 303,469,832,409.35
  5. Step 5: Solve for x
    x = 303,469,832,409.35/624,253.64
  6. Step 6: Final answer
    x = 486,132.26

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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.