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Finding the Fourth Proportional to 670,424.45, 925,203.87 and 364,521.47

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Solution

The fourth proportional to 670,424.45, 925,203.87 and 364,521.47 is: 503,049.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,424.45 : 925,203.87 = 364,521.47 : x
  2. Step 2: Convert to fraction form
    670,424.45/925,203.87 = 364,521.47/x
  3. Step 3: Cross multiply
    670,424.45x = 925,203.87 × 364,521.47
  4. Step 4: Simplify right side
    670,424.45x = 337,256,670,116.07
  5. Step 5: Solve for x
    x = 337,256,670,116.07/670,424.45
  6. Step 6: Final answer
    x = 503,049.48

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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.