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Finding the Fourth Proportional to 495,646.02, 684,006.39 and 350,711.64

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Solution

The fourth proportional to 495,646.02, 684,006.39 and 350,711.64 is: 483,992.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,646.02 : 684,006.39 = 350,711.64 : x
  2. Step 2: Convert to fraction form
    495,646.02/684,006.39 = 350,711.64/x
  3. Step 3: Cross multiply
    495,646.02x = 684,006.39 × 350,711.64
  4. Step 4: Simplify right side
    495,646.02x = 239,889,002,807.38
  5. Step 5: Solve for x
    x = 239,889,002,807.38/495,646.02
  6. Step 6: Final answer
    x = 483,992.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.