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Finding the Fourth Proportional to 306,389.80, 459,584.70 and 96,027.40

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Solution

The fourth proportional to 306,389.80, 459,584.70 and 96,027.40 is: 144,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,389.80 : 459,584.70 = 96,027.40 : x
  2. Step 2: Convert to fraction form
    306,389.80/459,584.70 = 96,027.40/x
  3. Step 3: Cross multiply
    306,389.80x = 459,584.70 × 96,027.40
  4. Step 4: Simplify right side
    306,389.80x = 44,132,723,820.78
  5. Step 5: Solve for x
    x = 44,132,723,820.78/306,389.80
  6. Step 6: Final answer
    x = 144,041.10

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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.