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Finding the Fourth Proportional to 523,351.40, 785,027.10 and 484,860.20

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Solution

The fourth proportional to 523,351.40, 785,027.10 and 484,860.20 is: 727,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,351.40 : 785,027.10 = 484,860.20 : x
  2. Step 2: Convert to fraction form
    523,351.40/785,027.10 = 484,860.20/x
  3. Step 3: Cross multiply
    523,351.40x = 785,027.10 × 484,860.20
  4. Step 4: Simplify right side
    523,351.40x = 380,628,396,711.42
  5. Step 5: Solve for x
    x = 380,628,396,711.42/523,351.40
  6. Step 6: Final answer
    x = 727,290.30

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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.