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Finding the Fourth Proportional to 603,020.10, 904,530.15 and 366,435.30

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Solution

The fourth proportional to 603,020.10, 904,530.15 and 366,435.30 is: 549,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,020.10 : 904,530.15 = 366,435.30 : x
  2. Step 2: Convert to fraction form
    603,020.10/904,530.15 = 366,435.30/x
  3. Step 3: Cross multiply
    603,020.10x = 904,530.15 × 366,435.30
  4. Step 4: Simplify right side
    603,020.10x = 331,451,776,874.30
  5. Step 5: Solve for x
    x = 331,451,776,874.30/603,020.10
  6. Step 6: Final answer
    x = 549,652.95

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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.