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Finding the Fourth Proportional to 888,273, 1,225,834.02 and 485,873.64

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Solution

The fourth proportional to 888,273, 1,225,834.02 and 485,873.64 is: 670,515.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,273 : 1,225,834.02 = 485,873.64 : x
  2. Step 2: Convert to fraction form
    888,273/1,225,834.02 = 485,873.64/x
  3. Step 3: Cross multiply
    888,273x = 1,225,834.02 × 485,873.64
  4. Step 4: Simplify right side
    888,273x = 595,600,437,333.23
  5. Step 5: Solve for x
    x = 595,600,437,333.23/888,273
  6. Step 6: Final answer
    x = 670,515.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.