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Finding the Fourth Proportional to 603,105.10, 904,657.65 and 366,520.30

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Solution

The fourth proportional to 603,105.10, 904,657.65 and 366,520.30 is: 549,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,105.10 : 904,657.65 = 366,520.30 : x
  2. Step 2: Convert to fraction form
    603,105.10/904,657.65 = 366,520.30/x
  3. Step 3: Cross multiply
    603,105.10x = 904,657.65 × 366,520.30
  4. Step 4: Simplify right side
    603,105.10x = 331,575,393,275.30
  5. Step 5: Solve for x
    x = 331,575,393,275.30/603,105.10
  6. Step 6: Final answer
    x = 549,780.45

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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.