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Finding the Fourth Proportional to 626,437.98, 863,914.68 and 529,844.67

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Solution

The fourth proportional to 626,437.98, 863,914.68 and 529,844.67 is: 730,703.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,437.98 : 863,914.68 = 529,844.67 : x
  2. Step 2: Convert to fraction form
    626,437.98/863,914.68 = 529,844.67/x
  3. Step 3: Cross multiply
    626,437.98x = 863,914.68 × 529,844.67
  4. Step 4: Simplify right side
    626,437.98x = 457,740,588,532.76
  5. Step 5: Solve for x
    x = 457,740,588,532.76/626,437.98
  6. Step 6: Final answer
    x = 730,703.76

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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.