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Finding the Fourth Proportional to 524,672,017.60, 787,008,026.40 and 161,184,452.80

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Solution

The fourth proportional to 524,672,017.60, 787,008,026.40 and 161,184,452.80 is: 241,776,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,672,017.60 : 787,008,026.40 = 161,184,452.80 : x
  2. Step 2: Convert to fraction form
    524,672,017.60/787,008,026.40 = 161,184,452.80/x
  3. Step 3: Cross multiply
    524,672,017.60x = 787,008,026.40 × 161,184,452.80
  4. Step 4: Simplify right side
    524,672,017.60x = 126,853,458,084,491,952
  5. Step 5: Solve for x
    x = 126,853,458,084,491,952/524,672,017.60
  6. Step 6: Final answer
    x = 241,776,679.20

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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.