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Finding the Fourth Proportional to 714,883.37, 986,292.36 and 456,911.33

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Solution

The fourth proportional to 714,883.37, 986,292.36 and 456,911.33 is: 630,379.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,883.37 : 986,292.36 = 456,911.33 : x
  2. Step 2: Convert to fraction form
    714,883.37/986,292.36 = 456,911.33/x
  3. Step 3: Cross multiply
    714,883.37x = 986,292.36 × 456,911.33
  4. Step 4: Simplify right side
    714,883.37x = 450,648,149,044.98
  5. Step 5: Solve for x
    x = 450,648,149,044.98/714,883.37
  6. Step 6: Final answer
    x = 630,379.96

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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.