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Finding the Fourth Proportional to 975,976.80, 1,463,770.80 and 470,536.80

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Solution

The fourth proportional to 975,976.80, 1,463,770.80 and 470,536.80 is: 705,711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,976.80 : 1,463,770.80 = 470,536.80 : x
  2. Step 2: Convert to fraction form
    975,976.80/1,463,770.80 = 470,536.80/x
  3. Step 3: Cross multiply
    975,976.80x = 1,463,770.80 × 470,536.80
  4. Step 4: Simplify right side
    975,976.80x = 688,758,028,165.44
  5. Step 5: Solve for x
    x = 688,758,028,165.44/975,976.80
  6. Step 6: Final answer
    x = 705,711.48

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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.