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Finding the Fourth Proportional to 432,603.64, 648,478.98 and 151,924.06

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Solution

The fourth proportional to 432,603.64, 648,478.98 and 151,924.06 is: 227,736.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,603.64 : 648,478.98 = 151,924.06 : x
  2. Step 2: Convert to fraction form
    432,603.64/648,478.98 = 151,924.06/x
  3. Step 3: Cross multiply
    432,603.64x = 648,478.98 × 151,924.06
  4. Step 4: Simplify right side
    432,603.64x = 98,519,556,629.16
  5. Step 5: Solve for x
    x = 98,519,556,629.16/432,603.64
  6. Step 6: Final answer
    x = 227,736.31

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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.