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Finding the Fourth Proportional to 413,599.70, 579,826.90 and 413,599.70

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Solution

The fourth proportional to 413,599.70, 579,826.90 and 413,599.70 is: 579,826.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,599.70 : 579,826.90 = 413,599.70 : x
  2. Step 2: Convert to fraction form
    413,599.70/579,826.90 = 413,599.70/x
  3. Step 3: Cross multiply
    413,599.70x = 579,826.90 × 413,599.70
  4. Step 4: Simplify right side
    413,599.70x = 239,816,231,891.93
  5. Step 5: Solve for x
    x = 239,816,231,891.93/413,599.70
  6. Step 6: Final answer
    x = 579,826.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.