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Finding the Fourth Proportional to 628,672.44, 943,018.44 and 349,961.16

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Solution

The fourth proportional to 628,672.44, 943,018.44 and 349,961.16 is: 524,947.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,672.44 : 943,018.44 = 349,961.16 : x
  2. Step 2: Convert to fraction form
    628,672.44/943,018.44 = 349,961.16/x
  3. Step 3: Cross multiply
    628,672.44x = 943,018.44 × 349,961.16
  4. Step 4: Simplify right side
    628,672.44x = 330,019,827,163.79
  5. Step 5: Solve for x
    x = 330,019,827,163.79/628,672.44
  6. Step 6: Final answer
    x = 524,947.18

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1.5x scale

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.