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Finding the Fourth Proportional to 377,686.83, 567,088.61 and 252,109.47

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Solution

The fourth proportional to 377,686.83, 567,088.61 and 252,109.47 is: 378,536.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,686.83 : 567,088.61 = 252,109.47 : x
  2. Step 2: Convert to fraction form
    377,686.83/567,088.61 = 252,109.47/x
  3. Step 3: Cross multiply
    377,686.83x = 567,088.61 × 252,109.47
  4. Step 4: Simplify right side
    377,686.83x = 142,968,407,649.59
  5. Step 5: Solve for x
    x = 142,968,407,649.59/377,686.83
  6. Step 6: Final answer
    x = 378,536.92

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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.