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Finding the Fourth Proportional to 479,637.95, 661,883.01 and 264,773.40

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Solution

The fourth proportional to 479,637.95, 661,883.01 and 264,773.40 is: 365,377.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,637.95 : 661,883.01 = 264,773.40 : x
  2. Step 2: Convert to fraction form
    479,637.95/661,883.01 = 264,773.40/x
  3. Step 3: Cross multiply
    479,637.95x = 661,883.01 × 264,773.40
  4. Step 4: Simplify right side
    479,637.95x = 175,249,014,959.93
  5. Step 5: Solve for x
    x = 175,249,014,959.93/479,637.95
  6. Step 6: Final answer
    x = 365,377.71

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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.