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Finding the Fourth Proportional to 603,311.70, 904,967.55 and 401,232.90

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Solution

The fourth proportional to 603,311.70, 904,967.55 and 401,232.90 is: 601,849.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,311.70 : 904,967.55 = 401,232.90 : x
  2. Step 2: Convert to fraction form
    603,311.70/904,967.55 = 401,232.90/x
  3. Step 3: Cross multiply
    603,311.70x = 904,967.55 × 401,232.90
  4. Step 4: Simplify right side
    603,311.70x = 363,102,754,492.40
  5. Step 5: Solve for x
    x = 363,102,754,492.40/603,311.70
  6. Step 6: Final answer
    x = 601,849.35

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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.