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Finding the Fourth Proportional to 606,908.52, 837,928.26 and 543,136.68

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Solution

The fourth proportional to 606,908.52, 837,928.26 and 543,136.68 is: 749,881.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,908.52 : 837,928.26 = 543,136.68 : x
  2. Step 2: Convert to fraction form
    606,908.52/837,928.26 = 543,136.68/x
  3. Step 3: Cross multiply
    606,908.52x = 837,928.26 × 543,136.68
  4. Step 4: Simplify right side
    606,908.52x = 455,109,573,214.58
  5. Step 5: Solve for x
    x = 455,109,573,214.58/606,908.52
  6. Step 6: Final answer
    x = 749,881.67

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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.