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Finding the Fourth Proportional to 306,323.91, 459,486.07 and 95,978.25

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Solution

The fourth proportional to 306,323.91, 459,486.07 and 95,978.25 is: 143,967.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,323.91 : 459,486.07 = 95,978.25 : x
  2. Step 2: Convert to fraction form
    306,323.91/459,486.07 = 95,978.25/x
  3. Step 3: Cross multiply
    306,323.91x = 459,486.07 × 95,978.25
  4. Step 4: Simplify right side
    306,323.91x = 44,100,668,658.03
  5. Step 5: Solve for x
    x = 44,100,668,658.03/306,323.91
  6. Step 6: Final answer
    x = 143,967.44

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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.