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Finding the Fourth Proportional to 536,933.80, 807,150.30 and 380,247.40

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Solution

The fourth proportional to 536,933.80, 807,150.30 and 380,247.40 is: 571,610.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,933.80 : 807,150.30 = 380,247.40 : x
  2. Step 2: Convert to fraction form
    536,933.80/807,150.30 = 380,247.40/x
  3. Step 3: Cross multiply
    536,933.80x = 807,150.30 × 380,247.40
  4. Step 4: Simplify right side
    536,933.80x = 306,916,802,984.22
  5. Step 5: Solve for x
    x = 306,916,802,984.22/536,933.80
  6. Step 6: Final answer
    x = 571,610.14

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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.