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Finding the Fourth Proportional to 377,618.76, 566,778.18 and 190,761.48

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Solution

The fourth proportional to 377,618.76, 566,778.18 and 190,761.48 is: 286,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,618.76 : 566,778.18 = 190,761.48 : x
  2. Step 2: Convert to fraction form
    377,618.76/566,778.18 = 190,761.48/x
  3. Step 3: Cross multiply
    377,618.76x = 566,778.18 × 190,761.48
  4. Step 4: Simplify right side
    377,618.76x = 108,119,444,448.51
  5. Step 5: Solve for x
    x = 108,119,444,448.51/377,618.76
  6. Step 6: Final answer
    x = 286,319.05

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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.