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Finding the Fourth Proportional to 373,433.93, 515,336.48 and 212,288.95

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Solution

The fourth proportional to 373,433.93, 515,336.48 and 212,288.95 is: 292,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,433.93 : 515,336.48 = 212,288.95 : x
  2. Step 2: Convert to fraction form
    373,433.93/515,336.48 = 212,288.95/x
  3. Step 3: Cross multiply
    373,433.93x = 515,336.48 × 212,288.95
  4. Step 4: Simplify right side
    373,433.93x = 109,400,240,235.90
  5. Step 5: Solve for x
    x = 109,400,240,235.90/373,433.93
  6. Step 6: Final answer
    x = 292,957.42

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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.