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Finding the Fourth Proportional to 356,778.64, 535,257.22 and 251,802.64

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Solution

The fourth proportional to 356,778.64, 535,257.22 and 251,802.64 is: 377,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,778.64 : 535,257.22 = 251,802.64 : x
  2. Step 2: Convert to fraction form
    356,778.64/535,257.22 = 251,802.64/x
  3. Step 3: Cross multiply
    356,778.64x = 535,257.22 × 251,802.64
  4. Step 4: Simplify right side
    356,778.64x = 134,779,181,075.06
  5. Step 5: Solve for x
    x = 134,779,181,075.06/356,778.64
  6. Step 6: Final answer
    x = 377,766.96

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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.