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Finding the Fourth Proportional to 837,681.44, 1,156,002 and 455,709.92

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Solution

The fourth proportional to 837,681.44, 1,156,002 and 455,709.92 is: 628,880.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,681.44 : 1,156,002 = 455,709.92 : x
  2. Step 2: Convert to fraction form
    837,681.44/1,156,002 = 455,709.92/x
  3. Step 3: Cross multiply
    837,681.44x = 1,156,002 × 455,709.92
  4. Step 4: Simplify right side
    837,681.44x = 526,801,578,939.84
  5. Step 5: Solve for x
    x = 526,801,578,939.84/837,681.44
  6. Step 6: Final answer
    x = 628,880.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.