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Finding the Fourth Proportional to 850,377, 1,173,520.26 and 468,402.60

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Solution

The fourth proportional to 850,377, 1,173,520.26 and 468,402.60 is: 646,395.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,377 : 1,173,520.26 = 468,402.60 : x
  2. Step 2: Convert to fraction form
    850,377/1,173,520.26 = 468,402.60/x
  3. Step 3: Cross multiply
    850,377x = 1,173,520.26 × 468,402.60
  4. Step 4: Simplify right side
    850,377x = 549,679,940,936.68
  5. Step 5: Solve for x
    x = 549,679,940,936.68/850,377
  6. Step 6: Final answer
    x = 646,395.59

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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.