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Finding the Fourth Proportional to 558,486.90, 837,730.35 and 401,022.90

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Solution

The fourth proportional to 558,486.90, 837,730.35 and 401,022.90 is: 601,534.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,486.90 : 837,730.35 = 401,022.90 : x
  2. Step 2: Convert to fraction form
    558,486.90/837,730.35 = 401,022.90/x
  3. Step 3: Cross multiply
    558,486.90x = 837,730.35 × 401,022.90
  4. Step 4: Simplify right side
    558,486.90x = 335,949,054,375.02
  5. Step 5: Solve for x
    x = 335,949,054,375.02/558,486.90
  6. Step 6: Final answer
    x = 601,534.35

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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.