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Finding the Fourth Proportional to 603,295.02, 904,941.72 and 154,015.92

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Solution

The fourth proportional to 603,295.02, 904,941.72 and 154,015.92 is: 231,023.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,295.02 : 904,941.72 = 154,015.92 : x
  2. Step 2: Convert to fraction form
    603,295.02/904,941.72 = 154,015.92/x
  3. Step 3: Cross multiply
    603,295.02x = 904,941.72 × 154,015.92
  4. Step 4: Simplify right side
    603,295.02x = 139,375,431,552.18
  5. Step 5: Solve for x
    x = 139,375,431,552.18/603,295.02
  6. Step 6: Final answer
    x = 231,023.67

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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.