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Finding the Fourth Proportional to 603,293.07, 904,938.72 and 154,013.92

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Solution

The fourth proportional to 603,293.07, 904,938.72 and 154,013.92 is: 231,020.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,293.07 : 904,938.72 = 154,013.92 : x
  2. Step 2: Convert to fraction form
    603,293.07/904,938.72 = 154,013.92/x
  3. Step 3: Cross multiply
    603,293.07x = 904,938.72 × 154,013.92
  4. Step 4: Simplify right side
    603,293.07x = 139,373,159,626.98
  5. Step 5: Solve for x
    x = 139,373,159,626.98/603,293.07
  6. Step 6: Final answer
    x = 231,020.65

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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.