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Finding the Fourth Proportional to 358,602.80, 494,875.53 and 197,472.83

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Solution

The fourth proportional to 358,602.80, 494,875.53 and 197,472.83 is: 272,514.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,602.80 : 494,875.53 = 197,472.83 : x
  2. Step 2: Convert to fraction form
    358,602.80/494,875.53 = 197,472.83/x
  3. Step 3: Cross multiply
    358,602.80x = 494,875.53 × 197,472.83
  4. Step 4: Simplify right side
    358,602.80x = 97,724,468,932.47
  5. Step 5: Solve for x
    x = 97,724,468,932.47/358,602.80
  6. Step 6: Final answer
    x = 272,514.52

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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.