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Finding the Fourth Proportional to 351,196.71, 484,651.47 and 190,051.77

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Solution

The fourth proportional to 351,196.71, 484,651.47 and 190,051.77 is: 262,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,196.71 : 484,651.47 = 190,051.77 : x
  2. Step 2: Convert to fraction form
    351,196.71/484,651.47 = 190,051.77/x
  3. Step 3: Cross multiply
    351,196.71x = 484,651.47 × 190,051.77
  4. Step 4: Simplify right side
    351,196.71x = 92,108,869,706.60
  5. Step 5: Solve for x
    x = 92,108,869,706.60/351,196.71
  6. Step 6: Final answer
    x = 262,271.45

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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.