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Finding the Fourth Proportional to 503,957.76, 695,461.74 and 277,603.32

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Solution

The fourth proportional to 503,957.76, 695,461.74 and 277,603.32 is: 383,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,957.76 : 695,461.74 = 277,603.32 : x
  2. Step 2: Convert to fraction form
    503,957.76/695,461.74 = 277,603.32/x
  3. Step 3: Cross multiply
    503,957.76x = 695,461.74 × 277,603.32
  4. Step 4: Simplify right side
    503,957.76x = 193,062,487,956.98
  5. Step 5: Solve for x
    x = 193,062,487,956.98/503,957.76
  6. Step 6: Final answer
    x = 383,092.60

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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.