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Finding the Fourth Proportional to 495,265.01, 742,861.17 and 158,215.14

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Solution

The fourth proportional to 495,265.01, 742,861.17 and 158,215.14 is: 237,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,265.01 : 742,861.17 = 158,215.14 : x
  2. Step 2: Convert to fraction form
    495,265.01/742,861.17 = 158,215.14/x
  3. Step 3: Cross multiply
    495,265.01x = 742,861.17 × 158,215.14
  4. Step 4: Simplify right side
    495,265.01x = 117,531,884,012.11
  5. Step 5: Solve for x
    x = 117,531,884,012.11/495,265.01
  6. Step 6: Final answer
    x = 237,311.10

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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.