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Finding the Fourth Proportional to 346,442.70, 519,404.85 and 188,849.10

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Solution

The fourth proportional to 346,442.70, 519,404.85 and 188,849.10 is: 283,132.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,442.70 : 519,404.85 = 188,849.10 : x
  2. Step 2: Convert to fraction form
    346,442.70/519,404.85 = 188,849.10/x
  3. Step 3: Cross multiply
    346,442.70x = 519,404.85 × 188,849.10
  4. Step 4: Simplify right side
    346,442.70x = 98,089,138,458.14
  5. Step 5: Solve for x
    x = 98,089,138,458.14/346,442.70
  6. Step 6: Final answer
    x = 283,132.36

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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.