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Finding the Fourth Proportional to 501,878.27, 692,604.15 and 272,444.96

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Solution

The fourth proportional to 501,878.27, 692,604.15 and 272,444.96 is: 375,980.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,878.27 : 692,604.15 = 272,444.96 : x
  2. Step 2: Convert to fraction form
    501,878.27/692,604.15 = 272,444.96/x
  3. Step 3: Cross multiply
    501,878.27x = 692,604.15 × 272,444.96
  4. Step 4: Simplify right side
    501,878.27x = 188,696,509,942.58
  5. Step 5: Solve for x
    x = 188,696,509,942.58/501,878.27
  6. Step 6: Final answer
    x = 375,980.63

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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.