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Finding the Fourth Proportional to 394,626.04, 544,585.04 and 251,355.40

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Solution

The fourth proportional to 394,626.04, 544,585.04 and 251,355.40 is: 346,871.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,626.04 : 544,585.04 = 251,355.40 : x
  2. Step 2: Convert to fraction form
    394,626.04/544,585.04 = 251,355.40/x
  3. Step 3: Cross multiply
    394,626.04x = 544,585.04 × 251,355.40
  4. Step 4: Simplify right side
    394,626.04x = 136,884,390,563.22
  5. Step 5: Solve for x
    x = 136,884,390,563.22/394,626.04
  6. Step 6: Final answer
    x = 346,871.16

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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.