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Finding the Fourth Proportional to 348,783.76, 481,337.40 and 205,549.84

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Solution

The fourth proportional to 348,783.76, 481,337.40 and 205,549.84 is: 283,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,783.76 : 481,337.40 = 205,549.84 : x
  2. Step 2: Convert to fraction form
    348,783.76/481,337.40 = 205,549.84/x
  3. Step 3: Cross multiply
    348,783.76x = 481,337.40 × 205,549.84
  4. Step 4: Simplify right side
    348,783.76x = 98,938,825,556.02
  5. Step 5: Solve for x
    x = 98,938,825,556.02/348,783.76
  6. Step 6: Final answer
    x = 283,668.10

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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.