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Finding the Fourth Proportional to 653,007.18, 901,100.48 and 366,471.90

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Solution

The fourth proportional to 653,007.18, 901,100.48 and 366,471.90 is: 505,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,007.18 : 901,100.48 = 366,471.90 : x
  2. Step 2: Convert to fraction form
    653,007.18/901,100.48 = 366,471.90/x
  3. Step 3: Cross multiply
    653,007.18x = 901,100.48 × 366,471.90
  4. Step 4: Simplify right side
    653,007.18x = 330,228,004,996.51
  5. Step 5: Solve for x
    x = 330,228,004,996.51/653,007.18
  6. Step 6: Final answer
    x = 505,703.48

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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.