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Finding the Fourth Proportional to 554,057.63, 764,599.50 and 299,408.81

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Solution

The fourth proportional to 554,057.63, 764,599.50 and 299,408.81 is: 413,184.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,057.63 : 764,599.50 = 299,408.81 : x
  2. Step 2: Convert to fraction form
    554,057.63/764,599.50 = 299,408.81/x
  3. Step 3: Cross multiply
    554,057.63x = 764,599.50 × 299,408.81
  4. Step 4: Simplify right side
    554,057.63x = 228,927,826,421.60
  5. Step 5: Solve for x
    x = 228,927,826,421.60/554,057.63
  6. Step 6: Final answer
    x = 413,184.15

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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.