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Finding the Fourth Proportional to 618,506.12, 927,783.71 and 294,216.35

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Solution

The fourth proportional to 618,506.12, 927,783.71 and 294,216.35 is: 441,336.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,506.12 : 927,783.71 = 294,216.35 : x
  2. Step 2: Convert to fraction form
    618,506.12/927,783.71 = 294,216.35/x
  3. Step 3: Cross multiply
    618,506.12x = 927,783.71 × 294,216.35
  4. Step 4: Simplify right side
    618,506.12x = 272,969,130,635.66
  5. Step 5: Solve for x
    x = 272,969,130,635.66/618,506.12
  6. Step 6: Final answer
    x = 441,336.19

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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.