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Finding the Fourth Proportional to 529,040.40, 793,560.60 and 526,087.95

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Solution

The fourth proportional to 529,040.40, 793,560.60 and 526,087.95 is: 789,131.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,040.40 : 793,560.60 = 526,087.95 : x
  2. Step 2: Convert to fraction form
    529,040.40/793,560.60 = 526,087.95/x
  3. Step 3: Cross multiply
    529,040.40x = 793,560.60 × 526,087.95
  4. Step 4: Simplify right side
    529,040.40x = 417,482,669,254.77
  5. Step 5: Solve for x
    x = 417,482,669,254.77/529,040.40
  6. Step 6: Final answer
    x = 789,131.93

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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.