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Finding the Fourth Proportional to 306,041.70, 459,062.55 and 231,392.10

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Solution

The fourth proportional to 306,041.70, 459,062.55 and 231,392.10 is: 347,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,041.70 : 459,062.55 = 231,392.10 : x
  2. Step 2: Convert to fraction form
    306,041.70/459,062.55 = 231,392.10/x
  3. Step 3: Cross multiply
    306,041.70x = 459,062.55 × 231,392.10
  4. Step 4: Simplify right side
    306,041.70x = 106,223,447,475.86
  5. Step 5: Solve for x
    x = 106,223,447,475.86/306,041.70
  6. Step 6: Final answer
    x = 347,088.15

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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.