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Finding the Fourth Proportional to 569,853.10, 854,779.65 and 543,609.10

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Solution

The fourth proportional to 569,853.10, 854,779.65 and 543,609.10 is: 815,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,853.10 : 854,779.65 = 543,609.10 : x
  2. Step 2: Convert to fraction form
    569,853.10/854,779.65 = 543,609.10/x
  3. Step 3: Cross multiply
    569,853.10x = 854,779.65 × 543,609.10
  4. Step 4: Simplify right side
    569,853.10x = 464,665,996,234.82
  5. Step 5: Solve for x
    x = 464,665,996,234.82/569,853.10
  6. Step 6: Final answer
    x = 815,413.65

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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.