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Finding the Fourth Proportional to 346,851.78, 519,962.16 and 133,483.62

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Solution

The fourth proportional to 346,851.78, 519,962.16 and 133,483.62 is: 200,104.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,851.78 : 519,962.16 = 133,483.62 : x
  2. Step 2: Convert to fraction form
    346,851.78/519,962.16 = 133,483.62/x
  3. Step 3: Cross multiply
    346,851.78x = 519,962.16 × 133,483.62
  4. Step 4: Simplify right side
    346,851.78x = 69,406,431,379.82
  5. Step 5: Solve for x
    x = 69,406,431,379.82/346,851.78
  6. Step 6: Final answer
    x = 200,104.01

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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.