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Finding the Fourth Proportional to 617,942.77, 927,264.80 and 333,629.53

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Solution

The fourth proportional to 617,942.77, 927,264.80 and 333,629.53 is: 500,633.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,942.77 : 927,264.80 = 333,629.53 : x
  2. Step 2: Convert to fraction form
    617,942.77/927,264.80 = 333,629.53/x
  3. Step 3: Cross multiply
    617,942.77x = 927,264.80 × 333,629.53
  4. Step 4: Simplify right side
    617,942.77x = 309,362,917,741.40
  5. Step 5: Solve for x
    x = 309,362,917,741.40/617,942.77
  6. Step 6: Final answer
    x = 500,633.61

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1.5x scale

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.