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Finding the Fourth Proportional to 483,201.60, 724,802.40 and 476,203.20

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Solution

The fourth proportional to 483,201.60, 724,802.40 and 476,203.20 is: 714,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,201.60 : 724,802.40 = 476,203.20 : x
  2. Step 2: Convert to fraction form
    483,201.60/724,802.40 = 476,203.20/x
  3. Step 3: Cross multiply
    483,201.60x = 724,802.40 × 476,203.20
  4. Step 4: Simplify right side
    483,201.60x = 345,153,222,247.68
  5. Step 5: Solve for x
    x = 345,153,222,247.68/483,201.60
  6. Step 6: Final answer
    x = 714,304.80

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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.