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Finding the Fourth Proportional to 525,907.42, 789,057.95 and 273,030.08

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Solution

The fourth proportional to 525,907.42, 789,057.95 and 273,030.08 is: 409,647.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,907.42 : 789,057.95 = 273,030.08 : x
  2. Step 2: Convert to fraction form
    525,907.42/789,057.95 = 273,030.08/x
  3. Step 3: Cross multiply
    525,907.42x = 789,057.95 × 273,030.08
  4. Step 4: Simplify right side
    525,907.42x = 215,436,549,902.70
  5. Step 5: Solve for x
    x = 215,436,549,902.70/525,907.42
  6. Step 6: Final answer
    x = 409,647.29

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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.