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Finding the Fourth Proportional to 495,268.40, 742,859.40 and 162,844.40

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Solution

The fourth proportional to 495,268.40, 742,859.40 and 162,844.40 is: 244,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,268.40 : 742,859.40 = 162,844.40 : x
  2. Step 2: Convert to fraction form
    495,268.40/742,859.40 = 162,844.40/x
  3. Step 3: Cross multiply
    495,268.40x = 742,859.40 × 162,844.40
  4. Step 4: Simplify right side
    495,268.40x = 120,970,493,277.36
  5. Step 5: Solve for x
    x = 120,970,493,277.36/495,268.40
  6. Step 6: Final answer
    x = 244,252.40

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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.