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Finding the Fourth Proportional to 624,755.92, 861,518.74 and 534,410.96

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Solution

The fourth proportional to 624,755.92, 861,518.74 and 534,410.96 is: 736,935.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,755.92 : 861,518.74 = 534,410.96 : x
  2. Step 2: Convert to fraction form
    624,755.92/861,518.74 = 534,410.96/x
  3. Step 3: Cross multiply
    624,755.92x = 861,518.74 × 534,410.96
  4. Step 4: Simplify right side
    624,755.92x = 460,405,056,901.39
  5. Step 5: Solve for x
    x = 460,405,056,901.39/624,755.92
  6. Step 6: Final answer
    x = 736,935.89

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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.