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Finding the Fourth Proportional to 501,830.70, 692,523.42 and 272,392.56

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Solution

The fourth proportional to 501,830.70, 692,523.42 and 272,392.56 is: 375,900.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,830.70 : 692,523.42 = 272,392.56 : x
  2. Step 2: Convert to fraction form
    501,830.70/692,523.42 = 272,392.56/x
  3. Step 3: Cross multiply
    501,830.70x = 692,523.42 × 272,392.56
  4. Step 4: Simplify right side
    501,830.70x = 188,638,227,233.76
  5. Step 5: Solve for x
    x = 188,638,227,233.76/501,830.70
  6. Step 6: Final answer
    x = 375,900.13

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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.