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Finding the Fourth Proportional to 348,307.77, 522,513.60 and 123,649.39

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Solution

The fourth proportional to 348,307.77, 522,513.60 and 123,649.39 is: 185,492.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,307.77 : 522,513.60 = 123,649.39 : x
  2. Step 2: Convert to fraction form
    348,307.77/522,513.60 = 123,649.39/x
  3. Step 3: Cross multiply
    348,307.77x = 522,513.60 × 123,649.39
  4. Step 4: Simplify right side
    348,307.77x = 64,608,488,637.43
  5. Step 5: Solve for x
    x = 64,608,488,637.43/348,307.77
  6. Step 6: Final answer
    x = 185,492.53

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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.