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Finding the Fourth Proportional to 526,362.84, 789,536.93 and 127,000.26

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Solution

The fourth proportional to 526,362.84, 789,536.93 and 127,000.26 is: 190,498.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,362.84 : 789,536.93 = 127,000.26 : x
  2. Step 2: Convert to fraction form
    526,362.84/789,536.93 = 127,000.26/x
  3. Step 3: Cross multiply
    526,362.84x = 789,536.93 × 127,000.26
  4. Step 4: Simplify right side
    526,362.84x = 100,271,394,754.60
  5. Step 5: Solve for x
    x = 100,271,394,754.60/526,362.84
  6. Step 6: Final answer
    x = 190,498.62

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1.5x scale

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.