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Finding the Fourth Proportional to 503,934.78, 695,430.03 and 277,580.28

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Solution

The fourth proportional to 503,934.78, 695,430.03 and 277,580.28 is: 383,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,934.78 : 695,430.03 = 277,580.28 : x
  2. Step 2: Convert to fraction form
    503,934.78/695,430.03 = 277,580.28/x
  3. Step 3: Cross multiply
    503,934.78x = 695,430.03 × 277,580.28
  4. Step 4: Simplify right side
    503,934.78x = 193,037,662,447.81
  5. Step 5: Solve for x
    x = 193,037,662,447.81/503,934.78
  6. Step 6: Final answer
    x = 383,060.80

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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.