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Finding the Fourth Proportional to 356,535.44, 534,804.08 and 90,295.98

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Solution

The fourth proportional to 356,535.44, 534,804.08 and 90,295.98 is: 135,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,535.44 : 534,804.08 = 90,295.98 : x
  2. Step 2: Convert to fraction form
    356,535.44/534,804.08 = 90,295.98/x
  3. Step 3: Cross multiply
    356,535.44x = 534,804.08 × 90,295.98
  4. Step 4: Simplify right side
    356,535.44x = 48,290,658,511.60
  5. Step 5: Solve for x
    x = 48,290,658,511.60/356,535.44
  6. Step 6: Final answer
    x = 135,444.20

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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.