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Finding the Fourth Proportional to 306,523.65, 459,851.65 and 93,308.23

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Solution

The fourth proportional to 306,523.65, 459,851.65 and 93,308.23 is: 139,982.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,523.65 : 459,851.65 = 93,308.23 : x
  2. Step 2: Convert to fraction form
    306,523.65/459,851.65 = 93,308.23/x
  3. Step 3: Cross multiply
    306,523.65x = 459,851.65 × 93,308.23
  4. Step 4: Simplify right side
    306,523.65x = 42,907,943,524.08
  5. Step 5: Solve for x
    x = 42,907,943,524.08/306,523.65
  6. Step 6: Final answer
    x = 139,982.49

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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.