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Finding the Fourth Proportional to 627,364.94, 940,518.42 and 272,111.42

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Solution

The fourth proportional to 627,364.94, 940,518.42 and 272,111.42 is: 407,937.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,364.94 : 940,518.42 = 272,111.42 : x
  2. Step 2: Convert to fraction form
    627,364.94/940,518.42 = 272,111.42/x
  3. Step 3: Cross multiply
    627,364.94x = 940,518.42 × 272,111.42
  4. Step 4: Simplify right side
    627,364.94x = 255,925,802,802.36
  5. Step 5: Solve for x
    x = 255,925,802,802.36/627,364.94
  6. Step 6: Final answer
    x = 407,937.69

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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.