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Finding the Fourth Proportional to 349,294.88, 482,026.93 and 190,318.88

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Solution

The fourth proportional to 349,294.88, 482,026.93 and 190,318.88 is: 262,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,294.88 : 482,026.93 = 190,318.88 : x
  2. Step 2: Convert to fraction form
    349,294.88/482,026.93 = 190,318.88/x
  3. Step 3: Cross multiply
    349,294.88x = 482,026.93 × 190,318.88
  4. Step 4: Simplify right side
    349,294.88x = 91,738,822,561.51
  5. Step 5: Solve for x
    x = 91,738,822,561.51/349,294.88
  6. Step 6: Final answer
    x = 262,640.05

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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.