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Finding the Fourth Proportional to 306,068.40, 459,102.60 and 223,124.40

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Solution

The fourth proportional to 306,068.40, 459,102.60 and 223,124.40 is: 334,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,068.40 : 459,102.60 = 223,124.40 : x
  2. Step 2: Convert to fraction form
    306,068.40/459,102.60 = 223,124.40/x
  3. Step 3: Cross multiply
    306,068.40x = 459,102.60 × 223,124.40
  4. Step 4: Simplify right side
    306,068.40x = 102,436,992,163.44
  5. Step 5: Solve for x
    x = 102,436,992,163.44/306,068.40
  6. Step 6: Final answer
    x = 334,686.60

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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.