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Finding the Fourth Proportional to 657,650.24, 906,731.16 and 536,668.64

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Solution

The fourth proportional to 657,650.24, 906,731.16 and 536,668.64 is: 739,928.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,650.24 : 906,731.16 = 536,668.64 : x
  2. Step 2: Convert to fraction form
    657,650.24/906,731.16 = 536,668.64/x
  3. Step 3: Cross multiply
    657,650.24x = 906,731.16 × 536,668.64
  4. Step 4: Simplify right side
    657,650.24x = 486,614,178,482.82
  5. Step 5: Solve for x
    x = 486,614,178,482.82/657,650.24
  6. Step 6: Final answer
    x = 739,928.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.