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Finding the Fourth Proportional to 535,127.88, 738,456.48 and 293,404.80

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Solution

The fourth proportional to 535,127.88, 738,456.48 and 293,404.80 is: 404,887.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,127.88 : 738,456.48 = 293,404.80 : x
  2. Step 2: Convert to fraction form
    535,127.88/738,456.48 = 293,404.80/x
  3. Step 3: Cross multiply
    535,127.88x = 738,456.48 × 293,404.80
  4. Step 4: Simplify right side
    535,127.88x = 216,666,675,823.10
  5. Step 5: Solve for x
    x = 216,666,675,823.10/535,127.88
  6. Step 6: Final answer
    x = 404,887.66

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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.