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Finding the Fourth Proportional to 526,292.94, 789,536.78 and 166,554.32

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Solution

The fourth proportional to 526,292.94, 789,536.78 and 166,554.32 is: 249,862.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,292.94 : 789,536.78 = 166,554.32 : x
  2. Step 2: Convert to fraction form
    526,292.94/789,536.78 = 166,554.32/x
  3. Step 3: Cross multiply
    526,292.94x = 789,536.78 × 166,554.32
  4. Step 4: Simplify right side
    526,292.94x = 131,500,761,507.89
  5. Step 5: Solve for x
    x = 131,500,761,507.89/526,292.94
  6. Step 6: Final answer
    x = 249,862.29

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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.