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Finding the Fourth Proportional to 425,263.93, 637,674.41 and 200,564.03

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Solution

The fourth proportional to 425,263.93, 637,674.41 and 200,564.03 is: 300,741.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,263.93 : 637,674.41 = 200,564.03 : x
  2. Step 2: Convert to fraction form
    425,263.93/637,674.41 = 200,564.03/x
  3. Step 3: Cross multiply
    425,263.93x = 637,674.41 × 200,564.03
  4. Step 4: Simplify right side
    425,263.93x = 127,894,550,840.95
  5. Step 5: Solve for x
    x = 127,894,550,840.95/425,263.93
  6. Step 6: Final answer
    x = 300,741.59

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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.