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Finding the Fourth Proportional to 603,226.51, 904,839 and 153,947.39

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Solution

The fourth proportional to 603,226.51, 904,839 and 153,947.39 is: 230,920.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,226.51 : 904,839 = 153,947.39 : x
  2. Step 2: Convert to fraction form
    603,226.51/904,839 = 153,947.39/x
  3. Step 3: Cross multiply
    603,226.51x = 904,839 × 153,947.39
  4. Step 4: Simplify right side
    603,226.51x = 139,297,602,420.21
  5. Step 5: Solve for x
    x = 139,297,602,420.21/603,226.51
  6. Step 6: Final answer
    x = 230,920.89

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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.