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Finding the Fourth Proportional to 572,692.32, 859,040.78 and 193,615.07

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Solution

The fourth proportional to 572,692.32, 859,040.78 and 193,615.07 is: 290,423.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,692.32 : 859,040.78 = 193,615.07 : x
  2. Step 2: Convert to fraction form
    572,692.32/859,040.78 = 193,615.07/x
  3. Step 3: Cross multiply
    572,692.32x = 859,040.78 × 193,615.07
  4. Step 4: Simplify right side
    572,692.32x = 166,323,235,489.28
  5. Step 5: Solve for x
    x = 166,323,235,489.28/572,692.32
  6. Step 6: Final answer
    x = 290,423.37

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Similar ratio
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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.