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Finding the Fourth Proportional to 404,489.54, 606,966.13 and 164,559.16

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Solution

The fourth proportional to 404,489.54, 606,966.13 and 164,559.16 is: 246,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,489.54 : 606,966.13 = 164,559.16 : x
  2. Step 2: Convert to fraction form
    404,489.54/606,966.13 = 164,559.16/x
  3. Step 3: Cross multiply
    404,489.54x = 606,966.13 × 164,559.16
  4. Step 4: Simplify right side
    404,489.54x = 99,881,837,465.66
  5. Step 5: Solve for x
    x = 99,881,837,465.66/404,489.54
  6. Step 6: Final answer
    x = 246,933.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.