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Finding the Fourth Proportional to 291,759.98, 437,698.95 and 123,280.79

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Solution

The fourth proportional to 291,759.98, 437,698.95 and 123,280.79 is: 184,946.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,759.98 : 437,698.95 = 123,280.79 : x
  2. Step 2: Convert to fraction form
    291,759.98/437,698.95 = 123,280.79/x
  3. Step 3: Cross multiply
    291,759.98x = 437,698.95 × 123,280.79
  4. Step 4: Simplify right side
    291,759.98x = 53,959,872,338.17
  5. Step 5: Solve for x
    x = 53,959,872,338.17/291,759.98
  6. Step 6: Final answer
    x = 184,946.11

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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.