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Finding the Fourth Proportional to 369,733.82, 554,600.72 and 120,415.82

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Solution

The fourth proportional to 369,733.82, 554,600.72 and 120,415.82 is: 180,623.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,733.82 : 554,600.72 = 120,415.82 : x
  2. Step 2: Convert to fraction form
    369,733.82/554,600.72 = 120,415.82/x
  3. Step 3: Cross multiply
    369,733.82x = 554,600.72 × 120,415.82
  4. Step 4: Simplify right side
    369,733.82x = 66,782,697,999.43
  5. Step 5: Solve for x
    x = 66,782,697,999.43/369,733.82
  6. Step 6: Final answer
    x = 180,623.72

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Similar ratio
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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.