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Finding the Fourth Proportional to 357,833.99, 493,804.25 and 196,685.59

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Solution

The fourth proportional to 357,833.99, 493,804.25 and 196,685.59 is: 271,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,833.99 : 493,804.25 = 196,685.59 : x
  2. Step 2: Convert to fraction form
    357,833.99/493,804.25 = 196,685.59/x
  3. Step 3: Cross multiply
    357,833.99x = 493,804.25 × 196,685.59
  4. Step 4: Simplify right side
    357,833.99x = 97,124,177,786.74
  5. Step 5: Solve for x
    x = 97,124,177,786.74/357,833.99
  6. Step 6: Final answer
    x = 271,422.45

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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.