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Finding the Fourth Proportional to 626,634.60, 939,951.90 and 616,266.60

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Solution

The fourth proportional to 626,634.60, 939,951.90 and 616,266.60 is: 924,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,634.60 : 939,951.90 = 616,266.60 : x
  2. Step 2: Convert to fraction form
    626,634.60/939,951.90 = 616,266.60/x
  3. Step 3: Cross multiply
    626,634.60x = 939,951.90 × 616,266.60
  4. Step 4: Simplify right side
    626,634.60x = 579,260,961,576.54
  5. Step 5: Solve for x
    x = 579,260,961,576.54/626,634.60
  6. Step 6: Final answer
    x = 924,399.90

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1.5x scale

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.