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Finding the Fourth Proportional to 331,007.90, 495,527.70 and 331,007.90

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Solution

The fourth proportional to 331,007.90, 495,527.70 and 331,007.90 is: 495,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,007.90 : 495,527.70 = 331,007.90 : x
  2. Step 2: Convert to fraction form
    331,007.90/495,527.70 = 331,007.90/x
  3. Step 3: Cross multiply
    331,007.90x = 495,527.70 × 331,007.90
  4. Step 4: Simplify right side
    331,007.90x = 164,023,583,368.83
  5. Step 5: Solve for x
    x = 164,023,583,368.83/331,007.90
  6. Step 6: Final answer
    x = 495,527.70

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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.