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Finding the Fourth Proportional to 347,830.30, 488,362.10 and 347,830.30

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Solution

The fourth proportional to 347,830.30, 488,362.10 and 347,830.30 is: 488,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,830.30 : 488,362.10 = 347,830.30 : x
  2. Step 2: Convert to fraction form
    347,830.30/488,362.10 = 347,830.30/x
  3. Step 3: Cross multiply
    347,830.30x = 488,362.10 × 347,830.30
  4. Step 4: Simplify right side
    347,830.30x = 169,867,135,751.63
  5. Step 5: Solve for x
    x = 169,867,135,751.63/347,830.30
  6. Step 6: Final answer
    x = 488,362.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.