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Finding the Fourth Proportional to 637,543.91, 956,092.61 and 188,145.79

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Solution

The fourth proportional to 637,543.91, 956,092.61 and 188,145.79 is: 282,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,543.91 : 956,092.61 = 188,145.79 : x
  2. Step 2: Convert to fraction form
    637,543.91/956,092.61 = 188,145.79/x
  3. Step 3: Cross multiply
    637,543.91x = 956,092.61 × 188,145.79
  4. Step 4: Simplify right side
    637,543.91x = 179,884,797,501.75
  5. Step 5: Solve for x
    x = 179,884,797,501.75/637,543.91
  6. Step 6: Final answer
    x = 282,152.80

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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.