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Finding the Fourth Proportional to 471,907.22, 651,226.64 and 257,047.22

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Solution

The fourth proportional to 471,907.22, 651,226.64 and 257,047.22 is: 354,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,907.22 : 651,226.64 = 257,047.22 : x
  2. Step 2: Convert to fraction form
    471,907.22/651,226.64 = 257,047.22/x
  3. Step 3: Cross multiply
    471,907.22x = 651,226.64 × 257,047.22
  4. Step 4: Simplify right side
    471,907.22x = 167,395,997,744.77
  5. Step 5: Solve for x
    x = 167,395,997,744.77/471,907.22
  6. Step 6: Final answer
    x = 354,722.27

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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.