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Finding the Fourth Proportional to 464,485.80, 697,376.70 and 297,042.60

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Solution

The fourth proportional to 464,485.80, 697,376.70 and 297,042.60 is: 445,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,485.80 : 697,376.70 = 297,042.60 : x
  2. Step 2: Convert to fraction form
    464,485.80/697,376.70 = 297,042.60/x
  3. Step 3: Cross multiply
    464,485.80x = 697,376.70 × 297,042.60
  4. Step 4: Simplify right side
    464,485.80x = 207,150,588,147.42
  5. Step 5: Solve for x
    x = 207,150,588,147.42/464,485.80
  6. Step 6: Final answer
    x = 445,978.30

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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.