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Finding the Fourth Proportional to 555,230.40, 833,234.40 and 356,035.20

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Solution

The fourth proportional to 555,230.40, 833,234.40 and 356,035.20 is: 534,302.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,230.40 : 833,234.40 = 356,035.20 : x
  2. Step 2: Convert to fraction form
    555,230.40/833,234.40 = 356,035.20/x
  3. Step 3: Cross multiply
    555,230.40x = 833,234.40 × 356,035.20
  4. Step 4: Simplify right side
    555,230.40x = 296,660,776,250.88
  5. Step 5: Solve for x
    x = 296,660,776,250.88/555,230.40
  6. Step 6: Final answer
    x = 534,302.11

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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.