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Finding the Fourth Proportional to 495,293.44, 742,520.44 and 195,985.20

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Solution

The fourth proportional to 495,293.44, 742,520.44 and 195,985.20 is: 293,811.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,293.44 : 742,520.44 = 195,985.20 : x
  2. Step 2: Convert to fraction form
    495,293.44/742,520.44 = 195,985.20/x
  3. Step 3: Cross multiply
    495,293.44x = 742,520.44 × 195,985.20
  4. Step 4: Simplify right side
    495,293.44x = 145,523,016,937.49
  5. Step 5: Solve for x
    x = 145,523,016,937.49/495,293.44
  6. Step 6: Final answer
    x = 293,811.72

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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.