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Finding the Fourth Proportional to 366,032.73, 505,130.32 and 210,898.28

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Solution

The fourth proportional to 366,032.73, 505,130.32 and 210,898.28 is: 291,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,032.73 : 505,130.32 = 210,898.28 : x
  2. Step 2: Convert to fraction form
    366,032.73/505,130.32 = 210,898.28/x
  3. Step 3: Cross multiply
    366,032.73x = 505,130.32 × 210,898.28
  4. Step 4: Simplify right side
    366,032.73x = 106,531,115,663.85
  5. Step 5: Solve for x
    x = 106,531,115,663.85/366,032.73
  6. Step 6: Final answer
    x = 291,042.60

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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.