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Finding the Fourth Proportional to 348,762.78, 481,259.39 and 195,765.93

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Solution

The fourth proportional to 348,762.78, 481,259.39 and 195,765.93 is: 270,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,762.78 : 481,259.39 = 195,765.93 : x
  2. Step 2: Convert to fraction form
    348,762.78/481,259.39 = 195,765.93/x
  3. Step 3: Cross multiply
    348,762.78x = 481,259.39 × 195,765.93
  4. Step 4: Simplify right side
    348,762.78x = 94,214,191,075.75
  5. Step 5: Solve for x
    x = 94,214,191,075.75/348,762.78
  6. Step 6: Final answer
    x = 270,138.32

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1.5x scale

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.