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Finding the Fourth Proportional to 495,160.11, 742,740.17 and 270,397.94

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Solution

The fourth proportional to 495,160.11, 742,740.17 and 270,397.94 is: 405,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,160.11 : 742,740.17 = 270,397.94 : x
  2. Step 2: Convert to fraction form
    495,160.11/742,740.17 = 270,397.94/x
  3. Step 3: Cross multiply
    495,160.11x = 742,740.17 × 270,397.94
  4. Step 4: Simplify right side
    495,160.11x = 200,835,406,857.56
  5. Step 5: Solve for x
    x = 200,835,406,857.56/495,160.11
  6. Step 6: Final answer
    x = 405,596.90

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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.