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Finding the Fourth Proportional to 298,320.84, 411,701.14 and 171,015.58

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Solution

The fourth proportional to 298,320.84, 411,701.14 and 171,015.58 is: 236,012.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,320.84 : 411,701.14 = 171,015.58 : x
  2. Step 2: Convert to fraction form
    298,320.84/411,701.14 = 171,015.58/x
  3. Step 3: Cross multiply
    298,320.84x = 411,701.14 × 171,015.58
  4. Step 4: Simplify right side
    298,320.84x = 70,407,309,243.76
  5. Step 5: Solve for x
    x = 70,407,309,243.76/298,320.84
  6. Step 6: Final answer
    x = 236,012.04

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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.