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Finding the Fourth Proportional to 551,037.16, 760,362.41 and 305,988.60

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Solution

The fourth proportional to 551,037.16, 760,362.41 and 305,988.60 is: 422,226.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,037.16 : 760,362.41 = 305,988.60 : x
  2. Step 2: Convert to fraction form
    551,037.16/760,362.41 = 305,988.60/x
  3. Step 3: Cross multiply
    551,037.16x = 760,362.41 × 305,988.60
  4. Step 4: Simplify right side
    551,037.16x = 232,662,230,093.50
  5. Step 5: Solve for x
    x = 232,662,230,093.50/551,037.16
  6. Step 6: Final answer
    x = 422,226.03

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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.