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Finding the Fourth Proportional to 365,800.20, 512,470.20 and 365,800.20

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Solution

The fourth proportional to 365,800.20, 512,470.20 and 365,800.20 is: 512,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,800.20 : 512,470.20 = 365,800.20 : x
  2. Step 2: Convert to fraction form
    365,800.20/512,470.20 = 365,800.20/x
  3. Step 3: Cross multiply
    365,800.20x = 512,470.20 × 365,800.20
  4. Step 4: Simplify right side
    365,800.20x = 187,461,701,654.04
  5. Step 5: Solve for x
    x = 187,461,701,654.04/365,800.20
  6. Step 6: Final answer
    x = 512,470.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.