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Finding the Fourth Proportional to 492,259.60, 738,389.40 and 366,288.40

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Solution

The fourth proportional to 492,259.60, 738,389.40 and 366,288.40 is: 549,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,259.60 : 738,389.40 = 366,288.40 : x
  2. Step 2: Convert to fraction form
    492,259.60/738,389.40 = 366,288.40/x
  3. Step 3: Cross multiply
    492,259.60x = 738,389.40 × 366,288.40
  4. Step 4: Simplify right side
    492,259.60x = 270,463,471,902.96
  5. Step 5: Solve for x
    x = 270,463,471,902.96/492,259.60
  6. Step 6: Final answer
    x = 549,432.60

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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.