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Finding the Fourth Proportional to 425,423.80, 594,806 and 425,423.80

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Solution

The fourth proportional to 425,423.80, 594,806 and 425,423.80 is: 594,806

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,423.80 : 594,806 = 425,423.80 : x
  2. Step 2: Convert to fraction form
    425,423.80/594,806 = 425,423.80/x
  3. Step 3: Cross multiply
    425,423.80x = 594,806 × 425,423.80
  4. Step 4: Simplify right side
    425,423.80x = 253,044,628,782.80
  5. Step 5: Solve for x
    x = 253,044,628,782.80/425,423.80
  6. Step 6: Final answer
    x = 594,806

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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.