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Finding the Fourth Proportional to 483,203.60, 724,805.40 and 476,205.20

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Solution

The fourth proportional to 483,203.60, 724,805.40 and 476,205.20 is: 714,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,203.60 : 724,805.40 = 476,205.20 : x
  2. Step 2: Convert to fraction form
    483,203.60/724,805.40 = 476,205.20/x
  3. Step 3: Cross multiply
    483,203.60x = 724,805.40 × 476,205.20
  4. Step 4: Simplify right side
    483,203.60x = 345,156,100,468.08
  5. Step 5: Solve for x
    x = 345,156,100,468.08/483,203.60
  6. Step 6: Final answer
    x = 714,307.80

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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.