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Finding the Fourth Proportional to 306,443.92, 459,665.88 and 96,098.80

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Solution

The fourth proportional to 306,443.92, 459,665.88 and 96,098.80 is: 144,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,443.92 : 459,665.88 = 96,098.80 : x
  2. Step 2: Convert to fraction form
    306,443.92/459,665.88 = 96,098.80/x
  3. Step 3: Cross multiply
    306,443.92x = 459,665.88 × 96,098.80
  4. Step 4: Simplify right side
    306,443.92x = 44,173,339,468.94
  5. Step 5: Solve for x
    x = 44,173,339,468.94/306,443.92
  6. Step 6: Final answer
    x = 144,148.20

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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.