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Finding the Fourth Proportional to 620,007.15, 929,144.74 and 335,083.58

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Solution

The fourth proportional to 620,007.15, 929,144.74 and 335,083.58 is: 502,157.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,007.15 : 929,144.74 = 335,083.58 : x
  2. Step 2: Convert to fraction form
    620,007.15/929,144.74 = 335,083.58/x
  3. Step 3: Cross multiply
    620,007.15x = 929,144.74 × 335,083.58
  4. Step 4: Simplify right side
    620,007.15x = 311,341,145,817.37
  5. Step 5: Solve for x
    x = 311,341,145,817.37/620,007.15
  6. Step 6: Final answer
    x = 502,157.35

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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.