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Finding the Fourth Proportional to 505,634.76, 758,158.71 and 239,393.04

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Solution

The fourth proportional to 505,634.76, 758,158.71 and 239,393.04 is: 358,950.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,634.76 : 758,158.71 = 239,393.04 : x
  2. Step 2: Convert to fraction form
    505,634.76/758,158.71 = 239,393.04/x
  3. Step 3: Cross multiply
    505,634.76x = 758,158.71 × 239,393.04
  4. Step 4: Simplify right side
    505,634.76x = 181,497,918,389.38
  5. Step 5: Solve for x
    x = 181,497,918,389.38/505,634.76
  6. Step 6: Final answer
    x = 358,950.64

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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.