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Finding the Fourth Proportional to 618,157.12, 927,833.52 and 298,533.04

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Solution

The fourth proportional to 618,157.12, 927,833.52 and 298,533.04 is: 448,088.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,157.12 : 927,833.52 = 298,533.04 : x
  2. Step 2: Convert to fraction form
    618,157.12/927,833.52 = 298,533.04/x
  3. Step 3: Cross multiply
    618,157.12x = 927,833.52 × 298,533.04
  4. Step 4: Simplify right side
    618,157.12x = 276,988,961,339.50
  5. Step 5: Solve for x
    x = 276,988,961,339.50/618,157.12
  6. Step 6: Final answer
    x = 448,088.28

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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.