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Finding the Fourth Proportional to 622,598.70, 933,898.31 and 480,651.22

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Solution

The fourth proportional to 622,598.70, 933,898.31 and 480,651.22 is: 720,977.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,598.70 : 933,898.31 = 480,651.22 : x
  2. Step 2: Convert to fraction form
    622,598.70/933,898.31 = 480,651.22/x
  3. Step 3: Cross multiply
    622,598.70x = 933,898.31 × 480,651.22
  4. Step 4: Simplify right side
    622,598.70x = 448,879,357,370.82
  5. Step 5: Solve for x
    x = 448,879,357,370.82/622,598.70
  6. Step 6: Final answer
    x = 720,977.02

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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.