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Finding the Fourth Proportional to 569,576.10, 854,364.15 and 356,999.70

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Solution

The fourth proportional to 569,576.10, 854,364.15 and 356,999.70 is: 535,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,576.10 : 854,364.15 = 356,999.70 : x
  2. Step 2: Convert to fraction form
    569,576.10/854,364.15 = 356,999.70/x
  3. Step 3: Cross multiply
    569,576.10x = 854,364.15 × 356,999.70
  4. Step 4: Simplify right side
    569,576.10x = 305,007,745,240.76
  5. Step 5: Solve for x
    x = 305,007,745,240.76/569,576.10
  6. Step 6: Final answer
    x = 535,499.55

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.