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Finding the Fourth Proportional to 653,130.72, 901,316.82 and 366,650.73

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Solution

The fourth proportional to 653,130.72, 901,316.82 and 366,650.73 is: 505,976.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,130.72 : 901,316.82 = 366,650.73 : x
  2. Step 2: Convert to fraction form
    653,130.72/901,316.82 = 366,650.73/x
  3. Step 3: Cross multiply
    653,130.72x = 901,316.82 × 366,650.73
  4. Step 4: Simplify right side
    653,130.72x = 330,468,470,014.28
  5. Step 5: Solve for x
    x = 330,468,470,014.28/653,130.72
  6. Step 6: Final answer
    x = 505,976.00

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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.