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Finding the Fourth Proportional to 334,703.40, 501,374.70 and 207,954.60

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Solution

The fourth proportional to 334,703.40, 501,374.70 and 207,954.60 is: 311,509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,703.40 : 501,374.70 = 207,954.60 : x
  2. Step 2: Convert to fraction form
    334,703.40/501,374.70 = 207,954.60/x
  3. Step 3: Cross multiply
    334,703.40x = 501,374.70 × 207,954.60
  4. Step 4: Simplify right side
    334,703.40x = 104,263,175,188.62
  5. Step 5: Solve for x
    x = 104,263,175,188.62/334,703.40
  6. Step 6: Final answer
    x = 311,509.16

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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.