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Finding the Fourth Proportional to 304,806.12, 457,211.58 and 94,442.76

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Solution

The fourth proportional to 304,806.12, 457,211.58 and 94,442.76 is: 141,664.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,806.12 : 457,211.58 = 94,442.76 : x
  2. Step 2: Convert to fraction form
    304,806.12/457,211.58 = 94,442.76/x
  3. Step 3: Cross multiply
    304,806.12x = 457,211.58 × 94,442.76
  4. Step 4: Simplify right side
    304,806.12x = 43,180,323,519.16
  5. Step 5: Solve for x
    x = 43,180,323,519.16/304,806.12
  6. Step 6: Final answer
    x = 141,664.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.