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Finding the Fourth Proportional to 603,040.85, 904,585.86 and 153,773.36

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Solution

The fourth proportional to 603,040.85, 904,585.86 and 153,773.36 is: 230,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,040.85 : 904,585.86 = 153,773.36 : x
  2. Step 2: Convert to fraction form
    603,040.85/904,585.86 = 153,773.36/x
  3. Step 3: Cross multiply
    603,040.85x = 904,585.86 × 153,773.36
  4. Step 4: Simplify right side
    603,040.85x = 139,101,202,577.76
  5. Step 5: Solve for x
    x = 139,101,202,577.76/603,040.85
  6. Step 6: Final answer
    x = 230,666.30

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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.