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Finding the Fourth Proportional to 431,062.23, 594,865.53 and 249,879.10

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Solution

The fourth proportional to 431,062.23, 594,865.53 and 249,879.10 is: 344,832.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,062.23 : 594,865.53 = 249,879.10 : x
  2. Step 2: Convert to fraction form
    431,062.23/594,865.53 = 249,879.10/x
  3. Step 3: Cross multiply
    431,062.23x = 594,865.53 × 249,879.10
  4. Step 4: Simplify right side
    431,062.23x = 148,644,461,770.26
  5. Step 5: Solve for x
    x = 148,644,461,770.26/431,062.23
  6. Step 6: Final answer
    x = 344,832.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.