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Finding the Fourth Proportional to 567,692.20, 851,538.30 and 545,919.40

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Solution

The fourth proportional to 567,692.20, 851,538.30 and 545,919.40 is: 818,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,692.20 : 851,538.30 = 545,919.40 : x
  2. Step 2: Convert to fraction form
    567,692.20/851,538.30 = 545,919.40/x
  3. Step 3: Cross multiply
    567,692.20x = 851,538.30 × 545,919.40
  4. Step 4: Simplify right side
    567,692.20x = 464,871,277,813.02
  5. Step 5: Solve for x
    x = 464,871,277,813.02/567,692.20
  6. Step 6: Final answer
    x = 818,879.10

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Double scale
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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.