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Finding the Fourth Proportional to 628,950.76, 943,329.44 and 344,782.10

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Solution

The fourth proportional to 628,950.76, 943,329.44 and 344,782.10 is: 517,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,950.76 : 943,329.44 = 344,782.10 : x
  2. Step 2: Convert to fraction form
    628,950.76/943,329.44 = 344,782.10/x
  3. Step 3: Cross multiply
    628,950.76x = 943,329.44 × 344,782.10
  4. Step 4: Simplify right side
    628,950.76x = 325,243,108,535.30
  5. Step 5: Solve for x
    x = 325,243,108,535.30/628,950.76
  6. Step 6: Final answer
    x = 517,120.15

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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.