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Finding the Fourth Proportional to 349,610, 524,416.44 and 127,994

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Solution

The fourth proportional to 349,610, 524,416.44 and 127,994 is: 191,991.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,610 : 524,416.44 = 127,994 : x
  2. Step 2: Convert to fraction form
    349,610/524,416.44 = 127,994/x
  3. Step 3: Cross multiply
    349,610x = 524,416.44 × 127,994
  4. Step 4: Simplify right side
    349,610x = 67,122,157,821.36
  5. Step 5: Solve for x
    x = 67,122,157,821.36/349,610
  6. Step 6: Final answer
    x = 191,991.53

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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.