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Finding the Fourth Proportional to 264,425.42, 364,940.43 and 163,838.54

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Solution

The fourth proportional to 264,425.42, 364,940.43 and 163,838.54 is: 226,117.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,425.42 : 364,940.43 = 163,838.54 : x
  2. Step 2: Convert to fraction form
    264,425.42/364,940.43 = 163,838.54/x
  3. Step 3: Cross multiply
    264,425.42x = 364,940.43 × 163,838.54
  4. Step 4: Simplify right side
    264,425.42x = 59,791,307,238.17
  5. Step 5: Solve for x
    x = 59,791,307,238.17/264,425.42
  6. Step 6: Final answer
    x = 226,117.85

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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.