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Finding the Fourth Proportional to 425,483.94, 587,361.87 and 303,055.14

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Solution

The fourth proportional to 425,483.94, 587,361.87 and 303,055.14 is: 418,354.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,483.94 : 587,361.87 = 303,055.14 : x
  2. Step 2: Convert to fraction form
    425,483.94/587,361.87 = 303,055.14/x
  3. Step 3: Cross multiply
    425,483.94x = 587,361.87 × 303,055.14
  4. Step 4: Simplify right side
    425,483.94x = 178,003,033,743.51
  5. Step 5: Solve for x
    x = 178,003,033,743.51/425,483.94
  6. Step 6: Final answer
    x = 418,354.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.