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Finding the Fourth Proportional to 357,890.04, 493,900.98 and 204,955.56

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Solution

The fourth proportional to 357,890.04, 493,900.98 and 204,955.56 is: 282,845.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,890.04 : 493,900.98 = 204,955.56 : x
  2. Step 2: Convert to fraction form
    357,890.04/493,900.98 = 204,955.56/x
  3. Step 3: Cross multiply
    357,890.04x = 493,900.98 × 204,955.56
  4. Step 4: Simplify right side
    357,890.04x = 101,227,751,940.45
  5. Step 5: Solve for x
    x = 101,227,751,940.45/357,890.04
  6. Step 6: Final answer
    x = 282,845.96

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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.