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Finding the Fourth Proportional to 358,731.65, 495,053.03 and 197,587.29

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Solution

The fourth proportional to 358,731.65, 495,053.03 and 197,587.29 is: 272,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,731.65 : 495,053.03 = 197,587.29 : x
  2. Step 2: Convert to fraction form
    358,731.65/495,053.03 = 197,587.29/x
  3. Step 3: Cross multiply
    358,731.65x = 495,053.03 × 197,587.29
  4. Step 4: Simplify right side
    358,731.65x = 97,816,185,616.05
  5. Step 5: Solve for x
    x = 97,816,185,616.05/358,731.65
  6. Step 6: Final answer
    x = 272,672.30

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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.