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Finding the Fourth Proportional to 495,460.40, 743,147.40 and 163,036.40

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Solution

The fourth proportional to 495,460.40, 743,147.40 and 163,036.40 is: 244,540.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,460.40 : 743,147.40 = 163,036.40 : x
  2. Step 2: Convert to fraction form
    495,460.40/743,147.40 = 163,036.40/x
  3. Step 3: Cross multiply
    495,460.40x = 743,147.40 × 163,036.40
  4. Step 4: Simplify right side
    495,460.40x = 121,160,076,765.36
  5. Step 5: Solve for x
    x = 121,160,076,765.36/495,460.40
  6. Step 6: Final answer
    x = 244,540.38

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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.