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Finding the Fourth Proportional to 334,537.40, 501,125.70 and 207,788.60

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Solution

The fourth proportional to 334,537.40, 501,125.70 and 207,788.60 is: 311,260.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,537.40 : 501,125.70 = 207,788.60 : x
  2. Step 2: Convert to fraction form
    334,537.40/501,125.70 = 207,788.60/x
  3. Step 3: Cross multiply
    334,537.40x = 501,125.70 × 207,788.60
  4. Step 4: Simplify right side
    334,537.40x = 104,128,207,627.02
  5. Step 5: Solve for x
    x = 104,128,207,627.02/334,537.40
  6. Step 6: Final answer
    x = 311,260.29

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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.