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Finding the Fourth Proportional to 580,673,500.80, 871,010,251.20 and 526,925,788.80

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Solution

The fourth proportional to 580,673,500.80, 871,010,251.20 and 526,925,788.80 is: 790,388,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,673,500.80 : 871,010,251.20 = 526,925,788.80 : x
  2. Step 2: Convert to fraction form
    580,673,500.80/871,010,251.20 = 526,925,788.80/x
  3. Step 3: Cross multiply
    580,673,500.80x = 871,010,251.20 × 526,925,788.80
  4. Step 4: Simplify right side
    580,673,500.80x = 458,957,763,666,446,208
  5. Step 5: Solve for x
    x = 458,957,763,666,446,208/580,673,500.80
  6. Step 6: Final answer
    x = 790,388,683.20

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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.