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Finding the Fourth Proportional to 366,032.15, 505,129.53 and 210,897.71

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Solution

The fourth proportional to 366,032.15, 505,129.53 and 210,897.71 is: 291,041.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,032.15 : 505,129.53 = 210,897.71 : x
  2. Step 2: Convert to fraction form
    366,032.15/505,129.53 = 210,897.71/x
  3. Step 3: Cross multiply
    366,032.15x = 505,129.53 × 210,897.71
  4. Step 4: Simplify right side
    366,032.15x = 106,530,657,550.24
  5. Step 5: Solve for x
    x = 106,530,657,550.24/366,032.15
  6. Step 6: Final answer
    x = 291,041.81

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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.