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Finding the Fourth Proportional to 603,128.10, 904,692.15 and 366,543.30

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Solution

The fourth proportional to 603,128.10, 904,692.15 and 366,543.30 is: 549,814.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,128.10 : 904,692.15 = 366,543.30 : x
  2. Step 2: Convert to fraction form
    603,128.10/904,692.15 = 366,543.30/x
  3. Step 3: Cross multiply
    603,128.10x = 904,692.15 × 366,543.30
  4. Step 4: Simplify right side
    603,128.10x = 331,608,846,145.10
  5. Step 5: Solve for x
    x = 331,608,846,145.10/603,128.10
  6. Step 6: Final answer
    x = 549,814.95

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Double scale
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Similar ratio
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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.