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Finding the Fourth Proportional to 499,415.17, 689,192.93 and 273,060.67

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Solution

The fourth proportional to 499,415.17, 689,192.93 and 273,060.67 is: 376,823.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,415.17 : 689,192.93 = 273,060.67 : x
  2. Step 2: Convert to fraction form
    499,415.17/689,192.93 = 273,060.67/x
  3. Step 3: Cross multiply
    499,415.17x = 689,192.93 × 273,060.67
  4. Step 4: Simplify right side
    499,415.17x = 188,191,482,184.73
  5. Step 5: Solve for x
    x = 188,191,482,184.73/499,415.17
  6. Step 6: Final answer
    x = 376,823.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.