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Finding the Fourth Proportional to 525,692.40, 788,538.60 and 193,225.20

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Solution

The fourth proportional to 525,692.40, 788,538.60 and 193,225.20 is: 289,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,692.40 : 788,538.60 = 193,225.20 : x
  2. Step 2: Convert to fraction form
    525,692.40/788,538.60 = 193,225.20/x
  3. Step 3: Cross multiply
    525,692.40x = 788,538.60 × 193,225.20
  4. Step 4: Simplify right side
    525,692.40x = 152,365,528,692.72
  5. Step 5: Solve for x
    x = 152,365,528,692.72/525,692.40
  6. Step 6: Final answer
    x = 289,837.80

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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.