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Finding the Fourth Proportional to 332,327.50, 457,457.42 and 289,812.22

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Solution

The fourth proportional to 332,327.50, 457,457.42 and 289,812.22 is: 398,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,327.50 : 457,457.42 = 289,812.22 : x
  2. Step 2: Convert to fraction form
    332,327.50/457,457.42 = 289,812.22/x
  3. Step 3: Cross multiply
    332,327.50x = 457,457.42 × 289,812.22
  4. Step 4: Simplify right side
    332,327.50x = 132,576,746,709.32
  5. Step 5: Solve for x
    x = 132,576,746,709.32/332,327.50
  6. Step 6: Final answer
    x = 398,934.03

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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.