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Finding the Fourth Proportional to 651,334.78, 898,832.14 and 364,865.12

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Solution

The fourth proportional to 651,334.78, 898,832.14 and 364,865.12 is: 503,508.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,334.78 : 898,832.14 = 364,865.12 : x
  2. Step 2: Convert to fraction form
    651,334.78/898,832.14 = 364,865.12/x
  3. Step 3: Cross multiply
    651,334.78x = 898,832.14 × 364,865.12
  4. Step 4: Simplify right side
    651,334.78x = 327,952,490,302.47
  5. Step 5: Solve for x
    x = 327,952,490,302.47/651,334.78
  6. Step 6: Final answer
    x = 503,508.34

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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.