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Finding the Fourth Proportional to 603,084.72, 904,634.10 and 153,804.72

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Solution

The fourth proportional to 603,084.72, 904,634.10 and 153,804.72 is: 230,708.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,084.72 : 904,634.10 = 153,804.72 : x
  2. Step 2: Convert to fraction form
    603,084.72/904,634.10 = 153,804.72/x
  3. Step 3: Cross multiply
    603,084.72x = 904,634.10 × 153,804.72
  4. Step 4: Simplify right side
    603,084.72x = 139,136,994,452.95
  5. Step 5: Solve for x
    x = 139,136,994,452.95/603,084.72
  6. Step 6: Final answer
    x = 230,708.87

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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.