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Finding the Fourth Proportional to 507,240.39, 761,192.82 and 191,697.33

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Solution

The fourth proportional to 507,240.39, 761,192.82 and 191,697.33 is: 287,671.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,240.39 : 761,192.82 = 191,697.33 : x
  2. Step 2: Convert to fraction form
    507,240.39/761,192.82 = 191,697.33/x
  3. Step 3: Cross multiply
    507,240.39x = 761,192.82 × 191,697.33
  4. Step 4: Simplify right side
    507,240.39x = 145,918,631,209.17
  5. Step 5: Solve for x
    x = 145,918,631,209.17/507,240.39
  6. Step 6: Final answer
    x = 287,671.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.