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Finding the Fourth Proportional to 603,495.36, 905,412.51 and 177,041.25

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Solution

The fourth proportional to 603,495.36, 905,412.51 and 177,041.25 is: 265,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,495.36 : 905,412.51 = 177,041.25 : x
  2. Step 2: Convert to fraction form
    603,495.36/905,412.51 = 177,041.25/x
  3. Step 3: Cross multiply
    603,495.36x = 905,412.51 × 177,041.25
  4. Step 4: Simplify right side
    603,495.36x = 160,295,362,536.04
  5. Step 5: Solve for x
    x = 160,295,362,536.04/603,495.36
  6. Step 6: Final answer
    x = 265,611.59

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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.