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Finding the Fourth Proportional to 356,235.33, 534,352.99 and 89,996.61

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Solution

The fourth proportional to 356,235.33, 534,352.99 and 89,996.61 is: 134,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,235.33 : 534,352.99 = 89,996.61 : x
  2. Step 2: Convert to fraction form
    356,235.33/534,352.99 = 89,996.61/x
  3. Step 3: Cross multiply
    356,235.33x = 534,352.99 × 89,996.61
  4. Step 4: Simplify right side
    356,235.33x = 48,089,954,746.61
  5. Step 5: Solve for x
    x = 48,089,954,746.61/356,235.33
  6. Step 6: Final answer
    x = 134,994.91

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Double scale
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1.5x scale

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.