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Finding the Fourth Proportional to 503,856.84, 695,353.86 and 277,502.28

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Solution

The fourth proportional to 503,856.84, 695,353.86 and 277,502.28 is: 382,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,856.84 : 695,353.86 = 277,502.28 : x
  2. Step 2: Convert to fraction form
    503,856.84/695,353.86 = 277,502.28/x
  3. Step 3: Cross multiply
    503,856.84x = 695,353.86 × 277,502.28
  4. Step 4: Simplify right side
    503,856.84x = 192,962,281,556.80
  5. Step 5: Solve for x
    x = 192,962,281,556.80/503,856.84
  6. Step 6: Final answer
    x = 382,970.45

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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.