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Finding the Fourth Proportional to 524,863.22, 724,659.84 and 403,790.90

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Solution

The fourth proportional to 524,863.22, 724,659.84 and 403,790.90 is: 557,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,863.22 : 724,659.84 = 403,790.90 : x
  2. Step 2: Convert to fraction form
    524,863.22/724,659.84 = 403,790.90/x
  3. Step 3: Cross multiply
    524,863.22x = 724,659.84 × 403,790.90
  4. Step 4: Simplify right side
    524,863.22x = 292,611,048,987.46
  5. Step 5: Solve for x
    x = 292,611,048,987.46/524,863.22
  6. Step 6: Final answer
    x = 557,499.63

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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.