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Finding the Fourth Proportional to 613,702.72, 846,849.13 and 341,795.91

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Solution

The fourth proportional to 613,702.72, 846,849.13 and 341,795.91 is: 471,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,702.72 : 846,849.13 = 341,795.91 : x
  2. Step 2: Convert to fraction form
    613,702.72/846,849.13 = 341,795.91/x
  3. Step 3: Cross multiply
    613,702.72x = 846,849.13 × 341,795.91
  4. Step 4: Simplify right side
    613,702.72x = 289,449,572,403.99
  5. Step 5: Solve for x
    x = 289,449,572,403.99/613,702.72
  6. Step 6: Final answer
    x = 471,644.60

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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.