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Finding the Fourth Proportional to 367,715.70, 507,506.72 and 343,702.44

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Solution

The fourth proportional to 367,715.70, 507,506.72 and 343,702.44 is: 474,364.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,715.70 : 507,506.72 = 343,702.44 : x
  2. Step 2: Convert to fraction form
    367,715.70/507,506.72 = 343,702.44/x
  3. Step 3: Cross multiply
    367,715.70x = 507,506.72 × 343,702.44
  4. Step 4: Simplify right side
    367,715.70x = 174,431,296,261.89
  5. Step 5: Solve for x
    x = 174,431,296,261.89/367,715.70
  6. Step 6: Final answer
    x = 474,364.56

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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.