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Finding the Fourth Proportional to 501,894.18, 692,605.26 and 275,538.06

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Solution

The fourth proportional to 501,894.18, 692,605.26 and 275,538.06 is: 380,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,894.18 : 692,605.26 = 275,538.06 : x
  2. Step 2: Convert to fraction form
    501,894.18/692,605.26 = 275,538.06/x
  3. Step 3: Cross multiply
    501,894.18x = 692,605.26 × 275,538.06
  4. Step 4: Simplify right side
    501,894.18x = 190,839,109,686.20
  5. Step 5: Solve for x
    x = 190,839,109,686.20/501,894.18
  6. Step 6: Final answer
    x = 380,237.74

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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.