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Finding the Fourth Proportional to 304,221.80, 456,354.30 and 93,859.40

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Solution

The fourth proportional to 304,221.80, 456,354.30 and 93,859.40 is: 140,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,221.80 : 456,354.30 = 93,859.40 : x
  2. Step 2: Convert to fraction form
    304,221.80/456,354.30 = 93,859.40/x
  3. Step 3: Cross multiply
    304,221.80x = 456,354.30 × 93,859.40
  4. Step 4: Simplify right side
    304,221.80x = 42,833,140,785.42
  5. Step 5: Solve for x
    x = 42,833,140,785.42/304,221.80
  6. Step 6: Final answer
    x = 140,795.76

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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.