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Finding the Fourth Proportional to 651,490.16, 899,093.32 and 365,102.48

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Solution

The fourth proportional to 651,490.16, 899,093.32 and 365,102.48 is: 503,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,490.16 : 899,093.32 = 365,102.48 : x
  2. Step 2: Convert to fraction form
    651,490.16/899,093.32 = 365,102.48/x
  3. Step 3: Cross multiply
    651,490.16x = 899,093.32 × 365,102.48
  4. Step 4: Simplify right side
    651,490.16x = 328,261,200,883.43
  5. Step 5: Solve for x
    x = 328,261,200,883.43/651,490.16
  6. Step 6: Final answer
    x = 503,862.10

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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.