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Finding the Fourth Proportional to 541,520.96, 812,300.28 and 257,064.98

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Solution

The fourth proportional to 541,520.96, 812,300.28 and 257,064.98 is: 385,606.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,520.96 : 812,300.28 = 257,064.98 : x
  2. Step 2: Convert to fraction form
    541,520.96/812,300.28 = 257,064.98/x
  3. Step 3: Cross multiply
    541,520.96x = 812,300.28 × 257,064.98
  4. Step 4: Simplify right side
    541,520.96x = 208,813,951,652.69
  5. Step 5: Solve for x
    x = 208,813,951,652.69/541,520.96
  6. Step 6: Final answer
    x = 385,606.41

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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.