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Finding the Fourth Proportional to 524,672,020.10, 787,008,030.15 and 161,184,455.30

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Solution

The fourth proportional to 524,672,020.10, 787,008,030.15 and 161,184,455.30 is: 241,776,682.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,672,020.10 : 787,008,030.15 = 161,184,455.30 : x
  2. Step 2: Convert to fraction form
    524,672,020.10/787,008,030.15 = 161,184,455.30/x
  3. Step 3: Cross multiply
    524,672,020.10x = 787,008,030.15 × 161,184,455.30
  4. Step 4: Simplify right side
    524,672,020.10x = 126,853,460,656,453,728
  5. Step 5: Solve for x
    x = 126,853,460,656,453,728/524,672,020.10
  6. Step 6: Final answer
    x = 241,776,682.95

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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.