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Finding the Fourth Proportional to 341,317.98, 511,984.35 and 104,655.42

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Solution

The fourth proportional to 341,317.98, 511,984.35 and 104,655.42 is: 156,985.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,317.98 : 511,984.35 = 104,655.42 : x
  2. Step 2: Convert to fraction form
    341,317.98/511,984.35 = 104,655.42/x
  3. Step 3: Cross multiply
    341,317.98x = 511,984.35 × 104,655.42
  4. Step 4: Simplify right side
    341,317.98x = 53,581,937,182.68
  5. Step 5: Solve for x
    x = 53,581,937,182.68/341,317.98
  6. Step 6: Final answer
    x = 156,985.39

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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.