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Finding the Fourth Proportional to 413,599.45, 579,826.55 and 413,599.45

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Solution

The fourth proportional to 413,599.45, 579,826.55 and 413,599.45 is: 579,826.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,599.45 : 579,826.55 = 413,599.45 : x
  2. Step 2: Convert to fraction form
    413,599.45/579,826.55 = 413,599.45/x
  3. Step 3: Cross multiply
    413,599.45x = 579,826.55 × 413,599.45
  4. Step 4: Simplify right side
    413,599.45x = 239,815,942,175.40
  5. Step 5: Solve for x
    x = 239,815,942,175.40/413,599.45
  6. Step 6: Final answer
    x = 579,826.55

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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.