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Finding the Fourth Proportional to 603,131.60, 904,697.40 and 159,899.60

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Solution

The fourth proportional to 603,131.60, 904,697.40 and 159,899.60 is: 239,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,131.60 : 904,697.40 = 159,899.60 : x
  2. Step 2: Convert to fraction form
    603,131.60/904,697.40 = 159,899.60/x
  3. Step 3: Cross multiply
    603,131.60x = 904,697.40 × 159,899.60
  4. Step 4: Simplify right side
    603,131.60x = 144,660,752,381.04
  5. Step 5: Solve for x
    x = 144,660,752,381.04/603,131.60
  6. Step 6: Final answer
    x = 239,849.40

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Half scale
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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.