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Finding the Fourth Proportional to 476,737.83, 715,408.11 and 266,513.67

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Solution

The fourth proportional to 476,737.83, 715,408.11 and 266,513.67 is: 399,938.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,737.83 : 715,408.11 = 266,513.67 : x
  2. Step 2: Convert to fraction form
    476,737.83/715,408.11 = 266,513.67/x
  3. Step 3: Cross multiply
    476,737.83x = 715,408.11 × 266,513.67
  4. Step 4: Simplify right side
    476,737.83x = 190,666,040,943.86
  5. Step 5: Solve for x
    x = 190,666,040,943.86/476,737.83
  6. Step 6: Final answer
    x = 399,938.98

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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.