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Finding the Fourth Proportional to 657,629.36, 985,851.64 and 236,609

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Solution

The fourth proportional to 657,629.36, 985,851.64 and 236,609 is: 354,700.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,629.36 : 985,851.64 = 236,609 : x
  2. Step 2: Convert to fraction form
    657,629.36/985,851.64 = 236,609/x
  3. Step 3: Cross multiply
    657,629.36x = 985,851.64 × 236,609
  4. Step 4: Simplify right side
    657,629.36x = 233,261,370,688.76
  5. Step 5: Solve for x
    x = 233,261,370,688.76/657,629.36
  6. Step 6: Final answer
    x = 354,700.36

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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.