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Finding the Fourth Proportional to 622,563.10, 933,844.65 and 549,079.90

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Solution

The fourth proportional to 622,563.10, 933,844.65 and 549,079.90 is: 823,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,563.10 : 933,844.65 = 549,079.90 : x
  2. Step 2: Convert to fraction form
    622,563.10/933,844.65 = 549,079.90/x
  3. Step 3: Cross multiply
    622,563.10x = 933,844.65 × 549,079.90
  4. Step 4: Simplify right side
    622,563.10x = 512,755,327,037.54
  5. Step 5: Solve for x
    x = 512,755,327,037.54/622,563.10
  6. Step 6: Final answer
    x = 823,619.85

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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.