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Finding the Fourth Proportional to 554,057.12, 764,598.81 and 299,408.31

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Solution

The fourth proportional to 554,057.12, 764,598.81 and 299,408.31 is: 413,183.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,057.12 : 764,598.81 = 299,408.31 : x
  2. Step 2: Convert to fraction form
    554,057.12/764,598.81 = 299,408.31/x
  3. Step 3: Cross multiply
    554,057.12x = 764,598.81 × 299,408.31
  4. Step 4: Simplify right side
    554,057.12x = 228,927,237,530.11
  5. Step 5: Solve for x
    x = 228,927,237,530.11/554,057.12
  6. Step 6: Final answer
    x = 413,183.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.