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Finding the Fourth Proportional to 637,174.95, 955,761.27 and 188,211.11

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Solution

The fourth proportional to 637,174.95, 955,761.27 and 188,211.11 is: 282,316.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,174.95 : 955,761.27 = 188,211.11 : x
  2. Step 2: Convert to fraction form
    637,174.95/955,761.27 = 188,211.11/x
  3. Step 3: Cross multiply
    637,174.95x = 955,761.27 × 188,211.11
  4. Step 4: Simplify right side
    637,174.95x = 179,884,888,327.01
  5. Step 5: Solve for x
    x = 179,884,888,327.01/637,174.95
  6. Step 6: Final answer
    x = 282,316.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.