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Finding the Fourth Proportional to 668,359.12, 1,002,669.84 and 294,382

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Solution

The fourth proportional to 668,359.12, 1,002,669.84 and 294,382 is: 441,630.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,359.12 : 1,002,669.84 = 294,382 : x
  2. Step 2: Convert to fraction form
    668,359.12/1,002,669.84 = 294,382/x
  3. Step 3: Cross multiply
    668,359.12x = 1,002,669.84 × 294,382
  4. Step 4: Simplify right side
    668,359.12x = 295,167,952,838.88
  5. Step 5: Solve for x
    x = 295,167,952,838.88/668,359.12
  6. Step 6: Final answer
    x = 441,630.77

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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.