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Finding the Fourth Proportional to 301,855.40, 452,783.10 and 270,362.60

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Solution

The fourth proportional to 301,855.40, 452,783.10 and 270,362.60 is: 405,543.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,855.40 : 452,783.10 = 270,362.60 : x
  2. Step 2: Convert to fraction form
    301,855.40/452,783.10 = 270,362.60/x
  3. Step 3: Cross multiply
    301,855.40x = 452,783.10 × 270,362.60
  4. Step 4: Simplify right side
    301,855.40x = 122,415,616,152.06
  5. Step 5: Solve for x
    x = 122,415,616,152.06/301,855.40
  6. Step 6: Final answer
    x = 405,543.90

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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.