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Finding the Fourth Proportional to 483,071.20, 724,606.80 and 370,967.20

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Solution

The fourth proportional to 483,071.20, 724,606.80 and 370,967.20 is: 556,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,071.20 : 724,606.80 = 370,967.20 : x
  2. Step 2: Convert to fraction form
    483,071.20/724,606.80 = 370,967.20/x
  3. Step 3: Cross multiply
    483,071.20x = 724,606.80 × 370,967.20
  4. Step 4: Simplify right side
    483,071.20x = 268,805,355,696.96
  5. Step 5: Solve for x
    x = 268,805,355,696.96/483,071.20
  6. Step 6: Final answer
    x = 556,450.80

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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.