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Finding the Fourth Proportional to 349,568.96, 482,411.76 and 196,603.16

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Solution

The fourth proportional to 349,568.96, 482,411.76 and 196,603.16 is: 271,316.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,568.96 : 482,411.76 = 196,603.16 : x
  2. Step 2: Convert to fraction form
    349,568.96/482,411.76 = 196,603.16/x
  3. Step 3: Cross multiply
    349,568.96x = 482,411.76 × 196,603.16
  4. Step 4: Simplify right side
    349,568.96x = 94,843,676,437.16
  5. Step 5: Solve for x
    x = 94,843,676,437.16/349,568.96
  6. Step 6: Final answer
    x = 271,316.07

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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.