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Finding the Fourth Proportional to 536,889.30, 740,907.70 and 295,175.98

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Solution

The fourth proportional to 536,889.30, 740,907.70 and 295,175.98 is: 407,343.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,889.30 : 740,907.70 = 295,175.98 : x
  2. Step 2: Convert to fraction form
    536,889.30/740,907.70 = 295,175.98/x
  3. Step 3: Cross multiply
    536,889.30x = 740,907.70 × 295,175.98
  4. Step 4: Simplify right side
    536,889.30x = 218,698,156,437.05
  5. Step 5: Solve for x
    x = 218,698,156,437.05/536,889.30
  6. Step 6: Final answer
    x = 407,343.11

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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.