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Finding the Fourth Proportional to 306,532.40, 459,798.60 and 149,068.40

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Solution

The fourth proportional to 306,532.40, 459,798.60 and 149,068.40 is: 223,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,532.40 : 459,798.60 = 149,068.40 : x
  2. Step 2: Convert to fraction form
    306,532.40/459,798.60 = 149,068.40/x
  3. Step 3: Cross multiply
    306,532.40x = 459,798.60 × 149,068.40
  4. Step 4: Simplify right side
    306,532.40x = 68,541,441,624.24
  5. Step 5: Solve for x
    x = 68,541,441,624.24/306,532.40
  6. Step 6: Final answer
    x = 223,602.60

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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.