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Finding the Fourth Proportional to 980,573.22, 1,470,017.43 and 340,793.84

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Solution

The fourth proportional to 980,573.22, 1,470,017.43 and 340,793.84 is: 510,897.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,573.22 : 1,470,017.43 = 340,793.84 : x
  2. Step 2: Convert to fraction form
    980,573.22/1,470,017.43 = 340,793.84/x
  3. Step 3: Cross multiply
    980,573.22x = 1,470,017.43 × 340,793.84
  4. Step 4: Simplify right side
    980,573.22x = 500,972,877,486.54
  5. Step 5: Solve for x
    x = 500,972,877,486.54/980,573.22
  6. Step 6: Final answer
    x = 510,897.98

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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.