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Finding the Fourth Proportional to 297,905.10, 417,620.10 and 297,905.10

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Solution

The fourth proportional to 297,905.10, 417,620.10 and 297,905.10 is: 417,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,905.10 : 417,620.10 = 297,905.10 : x
  2. Step 2: Convert to fraction form
    297,905.10/417,620.10 = 297,905.10/x
  3. Step 3: Cross multiply
    297,905.10x = 417,620.10 × 297,905.10
  4. Step 4: Simplify right side
    297,905.10x = 124,411,157,652.51
  5. Step 5: Solve for x
    x = 124,411,157,652.51/297,905.10
  6. Step 6: Final answer
    x = 417,620.10

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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.