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Finding the Fourth Proportional to 501,841.36, 692,522.40 and 272,393.74

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Solution

The fourth proportional to 501,841.36, 692,522.40 and 272,393.74 is: 375,893.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,841.36 : 692,522.40 = 272,393.74 : x
  2. Step 2: Convert to fraction form
    501,841.36/692,522.40 = 272,393.74/x
  3. Step 3: Cross multiply
    501,841.36x = 692,522.40 × 272,393.74
  4. Step 4: Simplify right side
    501,841.36x = 188,638,766,569.78
  5. Step 5: Solve for x
    x = 188,638,766,569.78/501,841.36
  6. Step 6: Final answer
    x = 375,893.22

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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.