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Finding the Fourth Proportional to 651,730.15, 899,424.51 and 365,268.69

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Solution

The fourth proportional to 651,730.15, 899,424.51 and 365,268.69 is: 504,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,730.15 : 899,424.51 = 365,268.69 : x
  2. Step 2: Convert to fraction form
    651,730.15/899,424.51 = 365,268.69/x
  3. Step 3: Cross multiply
    651,730.15x = 899,424.51 × 365,268.69
  4. Step 4: Simplify right side
    651,730.15x = 328,531,611,151.83
  5. Step 5: Solve for x
    x = 328,531,611,151.83/651,730.15
  6. Step 6: Final answer
    x = 504,091.47

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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.