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Finding the Fourth Proportional to 306,240.32, 459,453.72 and 156,585.72

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Solution

The fourth proportional to 306,240.32, 459,453.72 and 156,585.72 is: 234,926.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,240.32 : 459,453.72 = 156,585.72 : x
  2. Step 2: Convert to fraction form
    306,240.32/459,453.72 = 156,585.72/x
  3. Step 3: Cross multiply
    306,240.32x = 459,453.72 × 156,585.72
  4. Step 4: Simplify right side
    306,240.32x = 71,943,891,552.88
  5. Step 5: Solve for x
    x = 71,943,891,552.88/306,240.32
  6. Step 6: Final answer
    x = 234,926.26

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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.