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Finding the Fourth Proportional to 521,577.44, 719,728.45 and 295,222.94

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Solution

The fourth proportional to 521,577.44, 719,728.45 and 295,222.94 is: 407,380.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,577.44 : 719,728.45 = 295,222.94 : x
  2. Step 2: Convert to fraction form
    521,577.44/719,728.45 = 295,222.94/x
  3. Step 3: Cross multiply
    521,577.44x = 719,728.45 × 295,222.94
  4. Step 4: Simplify right side
    521,577.44x = 212,480,345,412.00
  5. Step 5: Solve for x
    x = 212,480,345,412.00/521,577.44
  6. Step 6: Final answer
    x = 407,380.25

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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.