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Finding the Fourth Proportional to 348,857.82, 481,557 and 339,259.22

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Solution

The fourth proportional to 348,857.82, 481,557 and 339,259.22 is: 468,307.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,857.82 : 481,557 = 339,259.22 : x
  2. Step 2: Convert to fraction form
    348,857.82/481,557 = 339,259.22/x
  3. Step 3: Cross multiply
    348,857.82x = 481,557 × 339,259.22
  4. Step 4: Simplify right side
    348,857.82x = 163,372,649,797.76
  5. Step 5: Solve for x
    x = 163,372,649,797.76/348,857.82
  6. Step 6: Final answer
    x = 468,307.26

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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.