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Finding the Fourth Proportional to 503,940.39, 695,437.77 and 277,585.89

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Solution

The fourth proportional to 503,940.39, 695,437.77 and 277,585.89 is: 383,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,940.39 : 695,437.77 = 277,585.89 : x
  2. Step 2: Convert to fraction form
    503,940.39/695,437.77 = 277,585.89/x
  3. Step 3: Cross multiply
    503,940.39x = 695,437.77 × 277,585.89
  4. Step 4: Simplify right side
    503,940.39x = 193,043,712,325.07
  5. Step 5: Solve for x
    x = 193,043,712,325.07/503,940.39
  6. Step 6: Final answer
    x = 383,068.55

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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.