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Finding the Fourth Proportional to 467,895.64, 644,934.40 and 365,740.87

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Solution

The fourth proportional to 467,895.64, 644,934.40 and 365,740.87 is: 504,127.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,895.64 : 644,934.40 = 365,740.87 : x
  2. Step 2: Convert to fraction form
    467,895.64/644,934.40 = 365,740.87/x
  3. Step 3: Cross multiply
    467,895.64x = 644,934.40 × 365,740.87
  4. Step 4: Simplify right side
    467,895.64x = 235,878,868,548.93
  5. Step 5: Solve for x
    x = 235,878,868,548.93/467,895.64
  6. Step 6: Final answer
    x = 504,127.09

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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.