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Finding the Fourth Proportional to 615,234.58, 848,896.95 and 353,539.28

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Solution

The fourth proportional to 615,234.58, 848,896.95 and 353,539.28 is: 487,811.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,234.58 : 848,896.95 = 353,539.28 : x
  2. Step 2: Convert to fraction form
    615,234.58/848,896.95 = 353,539.28/x
  3. Step 3: Cross multiply
    615,234.58x = 848,896.95 × 353,539.28
  4. Step 4: Simplify right side
    615,234.58x = 300,118,418,619.44
  5. Step 5: Solve for x
    x = 300,118,418,619.44/615,234.58
  6. Step 6: Final answer
    x = 487,811.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.