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Finding the Fourth Proportional to 334,118.02, 501,604.72 and 287,034.34

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Solution

The fourth proportional to 334,118.02, 501,604.72 and 287,034.34 is: 430,918.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,118.02 : 501,604.72 = 287,034.34 : x
  2. Step 2: Convert to fraction form
    334,118.02/501,604.72 = 287,034.34/x
  3. Step 3: Cross multiply
    334,118.02x = 501,604.72 × 287,034.34
  4. Step 4: Simplify right side
    334,118.02x = 143,977,778,310.91
  5. Step 5: Solve for x
    x = 143,977,778,310.91/334,118.02
  6. Step 6: Final answer
    x = 430,918.93

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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.