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Finding the Fourth Proportional to 334,211.40, 501,317.10 and 322,401.60

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Solution

The fourth proportional to 334,211.40, 501,317.10 and 322,401.60 is: 483,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,211.40 : 501,317.10 = 322,401.60 : x
  2. Step 2: Convert to fraction form
    334,211.40/501,317.10 = 322,401.60/x
  3. Step 3: Cross multiply
    334,211.40x = 501,317.10 × 322,401.60
  4. Step 4: Simplify right side
    334,211.40x = 161,625,435,147.36
  5. Step 5: Solve for x
    x = 161,625,435,147.36/334,211.40
  6. Step 6: Final answer
    x = 483,602.40

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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.