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Finding the Fourth Proportional to 637,468.80, 954,820.80 and 526,876.80

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Solution

The fourth proportional to 637,468.80, 954,820.80 and 526,876.80 is: 789,172.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,468.80 : 954,820.80 = 526,876.80 : x
  2. Step 2: Convert to fraction form
    637,468.80/954,820.80 = 526,876.80/x
  3. Step 3: Cross multiply
    637,468.80x = 954,820.80 × 526,876.80
  4. Step 4: Simplify right side
    637,468.80x = 503,072,927,677.44
  5. Step 5: Solve for x
    x = 503,072,927,677.44/637,468.80
  6. Step 6: Final answer
    x = 789,172.63

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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.