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Finding the Fourth Proportional to 331,007.40, 495,526.95 and 331,007.40

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Solution

The fourth proportional to 331,007.40, 495,526.95 and 331,007.40 is: 495,526.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,007.40 : 495,526.95 = 331,007.40 : x
  2. Step 2: Convert to fraction form
    331,007.40/495,526.95 = 331,007.40/x
  3. Step 3: Cross multiply
    331,007.40x = 495,526.95 × 331,007.40
  4. Step 4: Simplify right side
    331,007.40x = 164,023,087,349.43
  5. Step 5: Solve for x
    x = 164,023,087,349.43/331,007.40
  6. Step 6: Final answer
    x = 495,526.95

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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.