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Finding the Fourth Proportional to 464,849.70, 697,274.55 and 445,166.70

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Solution

The fourth proportional to 464,849.70, 697,274.55 and 445,166.70 is: 667,750.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,849.70 : 697,274.55 = 445,166.70 : x
  2. Step 2: Convert to fraction form
    464,849.70/697,274.55 = 445,166.70/x
  3. Step 3: Cross multiply
    464,849.70x = 697,274.55 × 445,166.70
  4. Step 4: Simplify right side
    464,849.70x = 310,403,410,417.49
  5. Step 5: Solve for x
    x = 310,403,410,417.49/464,849.70
  6. Step 6: Final answer
    x = 667,750.05

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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.