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Finding the Fourth Proportional to 351,300.37, 484,803.92 and 213,432.37

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Solution

The fourth proportional to 351,300.37, 484,803.92 and 213,432.37 is: 294,542.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,300.37 : 484,803.92 = 213,432.37 : x
  2. Step 2: Convert to fraction form
    351,300.37/484,803.92 = 213,432.37/x
  3. Step 3: Cross multiply
    351,300.37x = 484,803.92 × 213,432.37
  4. Step 4: Simplify right side
    351,300.37x = 103,472,849,630.89
  5. Step 5: Solve for x
    x = 103,472,849,630.89/351,300.37
  6. Step 6: Final answer
    x = 294,542.39

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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.