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Finding the Fourth Proportional to 452,625.92, 624,652.80 and 261,686.24

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Solution

The fourth proportional to 452,625.92, 624,652.80 and 261,686.24 is: 361,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,625.92 : 624,652.80 = 261,686.24 : x
  2. Step 2: Convert to fraction form
    452,625.92/624,652.80 = 261,686.24/x
  3. Step 3: Cross multiply
    452,625.92x = 624,652.80 × 261,686.24
  4. Step 4: Simplify right side
    452,625.92x = 163,463,042,537.47
  5. Step 5: Solve for x
    x = 163,463,042,537.47/452,625.92
  6. Step 6: Final answer
    x = 361,143.80

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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.