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Finding the Fourth Proportional to 264,400.47, 364,930.20 and 162,479.39

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Solution

The fourth proportional to 264,400.47, 364,930.20 and 162,479.39 is: 224,256.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,400.47 : 364,930.20 = 162,479.39 : x
  2. Step 2: Convert to fraction form
    264,400.47/364,930.20 = 162,479.39/x
  3. Step 3: Cross multiply
    264,400.47x = 364,930.20 × 162,479.39
  4. Step 4: Simplify right side
    264,400.47x = 59,293,634,463.93
  5. Step 5: Solve for x
    x = 59,293,634,463.93/264,400.47
  6. Step 6: Final answer
    x = 224,256.92

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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.