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Finding the Fourth Proportional to 453,531.48, 625,743.59 and 292,479

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Solution

The fourth proportional to 453,531.48, 625,743.59 and 292,479 is: 403,537.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,531.48 : 625,743.59 = 292,479 : x
  2. Step 2: Convert to fraction form
    453,531.48/625,743.59 = 292,479/x
  3. Step 3: Cross multiply
    453,531.48x = 625,743.59 × 292,479
  4. Step 4: Simplify right side
    453,531.48x = 183,016,857,997.22
  5. Step 5: Solve for x
    x = 183,016,857,997.22/453,531.48
  6. Step 6: Final answer
    x = 403,537.28

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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.