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Finding the Fourth Proportional to 306,029.80, 458,007.90 and 306,029.80

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Solution

The fourth proportional to 306,029.80, 458,007.90 and 306,029.80 is: 458,007.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,029.80 : 458,007.90 = 306,029.80 : x
  2. Step 2: Convert to fraction form
    306,029.80/458,007.90 = 306,029.80/x
  3. Step 3: Cross multiply
    306,029.80x = 458,007.90 × 306,029.80
  4. Step 4: Simplify right side
    306,029.80x = 140,164,066,035.42
  5. Step 5: Solve for x
    x = 140,164,066,035.42/306,029.80
  6. Step 6: Final answer
    x = 458,007.90

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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.