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Finding the Fourth Proportional to 1,294,865.90, 1,941,715.65 and 495,881.90

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Solution

The fourth proportional to 1,294,865.90, 1,941,715.65 and 495,881.90 is: 743,599.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,865.90 : 1,941,715.65 = 495,881.90 : x
  2. Step 2: Convert to fraction form
    1,294,865.90/1,941,715.65 = 495,881.90/x
  3. Step 3: Cross multiply
    1,294,865.90x = 1,941,715.65 × 495,881.90
  4. Step 4: Simplify right side
    1,294,865.90x = 962,861,645,781.74
  5. Step 5: Solve for x
    x = 962,861,645,781.74/1,294,865.90
  6. Step 6: Final answer
    x = 743,599.51

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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.