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Finding the Fourth Proportional to 400,715.79, 601,295.02 and 223,322.76

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Solution

The fourth proportional to 400,715.79, 601,295.02 and 223,322.76 is: 335,107.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,715.79 : 601,295.02 = 223,322.76 : x
  2. Step 2: Convert to fraction form
    400,715.79/601,295.02 = 223,322.76/x
  3. Step 3: Cross multiply
    400,715.79x = 601,295.02 × 223,322.76
  4. Step 4: Simplify right side
    400,715.79x = 134,282,863,440.66
  5. Step 5: Solve for x
    x = 134,282,863,440.66/400,715.79
  6. Step 6: Final answer
    x = 335,107.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.