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Finding the Fourth Proportional to 341,960, 471,904.80 and 191,071.04

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Solution

The fourth proportional to 341,960, 471,904.80 and 191,071.04 is: 263,678.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,960 : 471,904.80 = 191,071.04 : x
  2. Step 2: Convert to fraction form
    341,960/471,904.80 = 191,071.04/x
  3. Step 3: Cross multiply
    341,960x = 471,904.80 × 191,071.04
  4. Step 4: Simplify right side
    341,960x = 90,167,340,916.99
  5. Step 5: Solve for x
    x = 90,167,340,916.99/341,960
  6. Step 6: Final answer
    x = 263,678.04

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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.