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Finding the Fourth Proportional to 618,457.04, 927,447.96 and 219,024.08

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Solution

The fourth proportional to 618,457.04, 927,447.96 and 219,024.08 is: 328,451.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,457.04 : 927,447.96 = 219,024.08 : x
  2. Step 2: Convert to fraction form
    618,457.04/927,447.96 = 219,024.08/x
  3. Step 3: Cross multiply
    618,457.04x = 927,447.96 × 219,024.08
  4. Step 4: Simplify right side
    618,457.04x = 203,133,436,186.88
  5. Step 5: Solve for x
    x = 203,133,436,186.88/618,457.04
  6. Step 6: Final answer
    x = 328,451.97

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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.