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Finding the Fourth Proportional to 589,950.20, 885,386.10 and 274,446.20

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Solution

The fourth proportional to 589,950.20, 885,386.10 and 274,446.20 is: 411,883.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,950.20 : 885,386.10 = 274,446.20 : x
  2. Step 2: Convert to fraction form
    589,950.20/885,386.10 = 274,446.20/x
  3. Step 3: Cross multiply
    589,950.20x = 885,386.10 × 274,446.20
  4. Step 4: Simplify right side
    589,950.20x = 242,990,850,677.82
  5. Step 5: Solve for x
    x = 242,990,850,677.82/589,950.20
  6. Step 6: Final answer
    x = 411,883.67

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Double scale
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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.