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Finding the Fourth Proportional to 471,969, 651,317.22 and 260,001

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Solution

The fourth proportional to 471,969, 651,317.22 and 260,001 is: 358,801.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,969 : 651,317.22 = 260,001 : x
  2. Step 2: Convert to fraction form
    471,969/651,317.22 = 260,001/x
  3. Step 3: Cross multiply
    471,969x = 651,317.22 × 260,001
  4. Step 4: Simplify right side
    471,969x = 169,343,128,517.22
  5. Step 5: Solve for x
    x = 169,343,128,517.22/471,969
  6. Step 6: Final answer
    x = 358,801.38

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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.