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Finding the Fourth Proportional to 615,090.98, 848,846.58 and 356,948.04

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Solution

The fourth proportional to 615,090.98, 848,846.58 and 356,948.04 is: 492,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,090.98 : 848,846.58 = 356,948.04 : x
  2. Step 2: Convert to fraction form
    615,090.98/848,846.58 = 356,948.04/x
  3. Step 3: Cross multiply
    615,090.98x = 848,846.58 × 356,948.04
  4. Step 4: Simplify right side
    615,090.98x = 302,994,122,991.70
  5. Step 5: Solve for x
    x = 302,994,122,991.70/615,090.98
  6. Step 6: Final answer
    x = 492,600.50

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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.