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Finding the Fourth Proportional to 482,676.40, 724,014.60 and 370,920.70

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Solution

The fourth proportional to 482,676.40, 724,014.60 and 370,920.70 is: 556,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,676.40 : 724,014.60 = 370,920.70 : x
  2. Step 2: Convert to fraction form
    482,676.40/724,014.60 = 370,920.70/x
  3. Step 3: Cross multiply
    482,676.40x = 724,014.60 × 370,920.70
  4. Step 4: Simplify right side
    482,676.40x = 268,552,002,242.22
  5. Step 5: Solve for x
    x = 268,552,002,242.22/482,676.40
  6. Step 6: Final answer
    x = 556,381.05

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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.