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Finding the Fourth Proportional to 504,459.06, 696,131.87 and 275,010.77

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Solution

The fourth proportional to 504,459.06, 696,131.87 and 275,010.77 is: 379,503.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,459.06 : 696,131.87 = 275,010.77 : x
  2. Step 2: Convert to fraction form
    504,459.06/696,131.87 = 275,010.77/x
  3. Step 3: Cross multiply
    504,459.06x = 696,131.87 × 275,010.77
  4. Step 4: Simplify right side
    504,459.06x = 191,443,756,734.53
  5. Step 5: Solve for x
    x = 191,443,756,734.53/504,459.06
  6. Step 6: Final answer
    x = 379,503.06

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Double scale
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Similar ratio
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1.5x scale

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.