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Finding the Fourth Proportional to 603,109.40, 904,664.10 and 593,778.20

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Solution

The fourth proportional to 603,109.40, 904,664.10 and 593,778.20 is: 890,667.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,109.40 : 904,664.10 = 593,778.20 : x
  2. Step 2: Convert to fraction form
    603,109.40/904,664.10 = 593,778.20/x
  3. Step 3: Cross multiply
    603,109.40x = 904,664.10 × 593,778.20
  4. Step 4: Simplify right side
    603,109.40x = 537,169,820,902.62
  5. Step 5: Solve for x
    x = 537,169,820,902.62/603,109.40
  6. Step 6: Final answer
    x = 890,667.30

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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.