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Finding the Fourth Proportional to 505,699.72, 758,848.84 and 186,076.04

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Solution

The fourth proportional to 505,699.72, 758,848.84 and 186,076.04 is: 279,224.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,699.72 : 758,848.84 = 186,076.04 : x
  2. Step 2: Convert to fraction form
    505,699.72/758,848.84 = 186,076.04/x
  3. Step 3: Cross multiply
    505,699.72x = 758,848.84 × 186,076.04
  4. Step 4: Simplify right side
    505,699.72x = 141,203,583,925.75
  5. Step 5: Solve for x
    x = 141,203,583,925.75/505,699.72
  6. Step 6: Final answer
    x = 279,224.17

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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.