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Finding the Fourth Proportional to 594,663.37, 891,987.09 and 145,388.12

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Solution

The fourth proportional to 594,663.37, 891,987.09 and 145,388.12 is: 218,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,663.37 : 891,987.09 = 145,388.12 : x
  2. Step 2: Convert to fraction form
    594,663.37/891,987.09 = 145,388.12/x
  3. Step 3: Cross multiply
    594,663.37x = 891,987.09 × 145,388.12
  4. Step 4: Simplify right side
    594,663.37x = 129,684,321,074.23
  5. Step 5: Solve for x
    x = 129,684,321,074.23/594,663.37
  6. Step 6: Final answer
    x = 218,080.22

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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.