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Finding the Fourth Proportional to 334,507.40, 501,080.70 and 207,758.60

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Solution

The fourth proportional to 334,507.40, 501,080.70 and 207,758.60 is: 311,215.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,507.40 : 501,080.70 = 207,758.60 : x
  2. Step 2: Convert to fraction form
    334,507.40/501,080.70 = 207,758.60/x
  3. Step 3: Cross multiply
    334,507.40x = 501,080.70 × 207,758.60
  4. Step 4: Simplify right side
    334,507.40x = 104,103,824,719.02
  5. Step 5: Solve for x
    x = 104,103,824,719.02/334,507.40
  6. Step 6: Final answer
    x = 311,215.31

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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.