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Finding the Fourth Proportional to 503,969.08, 695,477.18 and 277,619.32

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Solution

The fourth proportional to 503,969.08, 695,477.18 and 277,619.32 is: 383,114.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,969.08 : 695,477.18 = 277,619.32 : x
  2. Step 2: Convert to fraction form
    503,969.08/695,477.18 = 277,619.32/x
  3. Step 3: Cross multiply
    503,969.08x = 695,477.18 × 277,619.32
  4. Step 4: Simplify right side
    503,969.08x = 193,077,901,787.12
  5. Step 5: Solve for x
    x = 193,077,901,787.12/503,969.08
  6. Step 6: Final answer
    x = 383,114.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.