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Finding the Fourth Proportional to 505,488.47, 757,858.16 and 238,937.52

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Solution

The fourth proportional to 505,488.47, 757,858.16 and 238,937.52 is: 358,229.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,488.47 : 757,858.16 = 238,937.52 : x
  2. Step 2: Convert to fraction form
    505,488.47/757,858.16 = 238,937.52/x
  3. Step 3: Cross multiply
    505,488.47x = 757,858.16 × 238,937.52
  4. Step 4: Simplify right side
    505,488.47x = 181,080,749,859.51
  5. Step 5: Solve for x
    x = 181,080,749,859.51/505,488.47
  6. Step 6: Final answer
    x = 358,229.24

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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.