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Finding the Fourth Proportional to 501,914.18, 692,632.95 and 275,558.06

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Solution

The fourth proportional to 501,914.18, 692,632.95 and 275,558.06 is: 380,265.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,914.18 : 692,632.95 = 275,558.06 : x
  2. Step 2: Convert to fraction form
    501,914.18/692,632.95 = 275,558.06/x
  3. Step 3: Cross multiply
    501,914.18x = 692,632.95 × 275,558.06
  4. Step 4: Simplify right side
    501,914.18x = 190,860,591,994.08
  5. Step 5: Solve for x
    x = 190,860,591,994.08/501,914.18
  6. Step 6: Final answer
    x = 380,265.39

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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.