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Finding the Fourth Proportional to 670,699.44, 925,096.56 and 455,465.88

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Solution

The fourth proportional to 670,699.44, 925,096.56 and 455,465.88 is: 628,224.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,699.44 : 925,096.56 = 455,465.88 : x
  2. Step 2: Convert to fraction form
    670,699.44/925,096.56 = 455,465.88/x
  3. Step 3: Cross multiply
    670,699.44x = 925,096.56 × 455,465.88
  4. Step 4: Simplify right side
    670,699.44x = 421,349,918,785.37
  5. Step 5: Solve for x
    x = 421,349,918,785.37/670,699.44
  6. Step 6: Final answer
    x = 628,224.65

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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.