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Finding the Fourth Proportional to 472,185.36, 651,596.86 and 257,320.82

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Solution

The fourth proportional to 472,185.36, 651,596.86 and 257,320.82 is: 355,092.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,185.36 : 651,596.86 = 257,320.82 : x
  2. Step 2: Convert to fraction form
    472,185.36/651,596.86 = 257,320.82/x
  3. Step 3: Cross multiply
    472,185.36x = 651,596.86 × 257,320.82
  4. Step 4: Simplify right side
    472,185.36x = 167,669,438,324.63
  5. Step 5: Solve for x
    x = 167,669,438,324.63/472,185.36
  6. Step 6: Final answer
    x = 355,092.41

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1.5x scale

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.