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Finding the Fourth Proportional to 558,515.00, 838,297.38 and 292,466.45

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Solution

The fourth proportional to 558,515.00, 838,297.38 and 292,466.45 is: 438,974.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,515.00 : 838,297.38 = 292,466.45 : x
  2. Step 2: Convert to fraction form
    558,515.00/838,297.38 = 292,466.45/x
  3. Step 3: Cross multiply
    558,515.00x = 838,297.38 × 292,466.45
  4. Step 4: Simplify right side
    558,515.00x = 245,173,854,782.28
  5. Step 5: Solve for x
    x = 245,173,854,782.28/558,515.00
  6. Step 6: Final answer
    x = 438,974.52

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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.