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Finding the Fourth Proportional to 349,672, 482,547.84 and 190,696

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Solution

The fourth proportional to 349,672, 482,547.84 and 190,696 is: 263,160.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,672 : 482,547.84 = 190,696 : x
  2. Step 2: Convert to fraction form
    349,672/482,547.84 = 190,696/x
  3. Step 3: Cross multiply
    349,672x = 482,547.84 × 190,696
  4. Step 4: Simplify right side
    349,672x = 92,019,942,896.64
  5. Step 5: Solve for x
    x = 92,019,942,896.64/349,672
  6. Step 6: Final answer
    x = 263,160.74

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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.