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Finding the Fourth Proportional to 467,897.22, 645,872.81 and 364,326.39

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Solution

The fourth proportional to 467,897.22, 645,872.81 and 364,326.39 is: 502,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,897.22 : 645,872.81 = 364,326.39 : x
  2. Step 2: Convert to fraction form
    467,897.22/645,872.81 = 364,326.39/x
  3. Step 3: Cross multiply
    467,897.22x = 645,872.81 × 364,326.39
  4. Step 4: Simplify right side
    467,897.22x = 235,308,507,444.82
  5. Step 5: Solve for x
    x = 235,308,507,444.82/467,897.22
  6. Step 6: Final answer
    x = 502,906.40

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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.