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Finding the Fourth Proportional to 346,097.88, 519,230.36 and 129,958.37

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Solution

The fourth proportional to 346,097.88, 519,230.36 and 129,958.37 is: 194,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,097.88 : 519,230.36 = 129,958.37 : x
  2. Step 2: Convert to fraction form
    346,097.88/519,230.36 = 129,958.37/x
  3. Step 3: Cross multiply
    346,097.88x = 519,230.36 × 129,958.37
  4. Step 4: Simplify right side
    346,097.88x = 67,478,334,019.39
  5. Step 5: Solve for x
    x = 67,478,334,019.39/346,097.88
  6. Step 6: Final answer
    x = 194,968.93

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1.5x scale

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.