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Finding the Fourth Proportional to 376,073.11, 563,737.87 and 139,352.23

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Solution

The fourth proportional to 376,073.11, 563,737.87 and 139,352.23 is: 208,890.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,073.11 : 563,737.87 = 139,352.23 : x
  2. Step 2: Convert to fraction form
    376,073.11/563,737.87 = 139,352.23/x
  3. Step 3: Cross multiply
    376,073.11x = 563,737.87 × 139,352.23
  4. Step 4: Simplify right side
    376,073.11x = 78,558,129,319.95
  5. Step 5: Solve for x
    x = 78,558,129,319.95/376,073.11
  6. Step 6: Final answer
    x = 208,890.58

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1.5x scale

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.