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Finding the Fourth Proportional to 349,033.84, 481,666.42 and 198,130.84

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Solution

The fourth proportional to 349,033.84, 481,666.42 and 198,130.84 is: 273,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,033.84 : 481,666.42 = 198,130.84 : x
  2. Step 2: Convert to fraction form
    349,033.84/481,666.42 = 198,130.84/x
  3. Step 3: Cross multiply
    349,033.84x = 481,666.42 × 198,130.84
  4. Step 4: Simplify right side
    349,033.84x = 95,432,972,394.39
  5. Step 5: Solve for x
    x = 95,432,972,394.39/349,033.84
  6. Step 6: Final answer
    x = 273,420.40

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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.