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Finding the Fourth Proportional to 435,997.93, 601,841.56 and 254,768.76

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Solution

The fourth proportional to 435,997.93, 601,841.56 and 254,768.76 is: 351,676.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,997.93 : 601,841.56 = 254,768.76 : x
  2. Step 2: Convert to fraction form
    435,997.93/601,841.56 = 254,768.76/x
  3. Step 3: Cross multiply
    435,997.93x = 601,841.56 × 254,768.76
  4. Step 4: Simplify right side
    435,997.93x = 153,330,424,184.61
  5. Step 5: Solve for x
    x = 153,330,424,184.61/435,997.93
  6. Step 6: Final answer
    x = 351,676.96

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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.