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Finding the Fourth Proportional to 484,606.64, 726,669.12 and 306,979.04

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Solution

The fourth proportional to 484,606.64, 726,669.12 and 306,979.04 is: 460,316.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,606.64 : 726,669.12 = 306,979.04 : x
  2. Step 2: Convert to fraction form
    484,606.64/726,669.12 = 306,979.04/x
  3. Step 3: Cross multiply
    484,606.64x = 726,669.12 × 306,979.04
  4. Step 4: Simplify right side
    484,606.64x = 223,072,188,855.25
  5. Step 5: Solve for x
    x = 223,072,188,855.25/484,606.64
  6. Step 6: Final answer
    x = 460,316.00

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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.