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Finding the Fourth Proportional to 541,518.85, 812,297.09 and 257,062.85

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Solution

The fourth proportional to 541,518.85, 812,297.09 and 257,062.85 is: 385,603.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,518.85 : 812,297.09 = 257,062.85 : x
  2. Step 2: Convert to fraction form
    541,518.85/812,297.09 = 257,062.85/x
  3. Step 3: Cross multiply
    541,518.85x = 812,297.09 × 257,062.85
  4. Step 4: Simplify right side
    541,518.85x = 208,811,404,629.39
  5. Step 5: Solve for x
    x = 208,811,404,629.39/541,518.85
  6. Step 6: Final answer
    x = 385,603.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.