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Finding the Fourth Proportional to 580,454,133.53, 871,055,784.15 and 211,958,233.02

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Solution

The fourth proportional to 580,454,133.53, 871,055,784.15 and 211,958,233.02 is: 318,074,132.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,454,133.53 : 871,055,784.15 = 211,958,233.02 : x
  2. Step 2: Convert to fraction form
    580,454,133.53/871,055,784.15 = 211,958,233.02/x
  3. Step 3: Cross multiply
    580,454,133.53x = 871,055,784.15 × 211,958,233.02
  4. Step 4: Simplify right side
    580,454,133.53x = 184,627,444,869,489,696
  5. Step 5: Solve for x
    x = 184,627,444,869,489,696/580,454,133.53
  6. Step 6: Final answer
    x = 318,074,132.31

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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.