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Finding the Fourth Proportional to 502,668.12, 693,686.66 and 273,225.95

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Solution

The fourth proportional to 502,668.12, 693,686.66 and 273,225.95 is: 377,054.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,668.12 : 693,686.66 = 273,225.95 : x
  2. Step 2: Convert to fraction form
    502,668.12/693,686.66 = 273,225.95/x
  3. Step 3: Cross multiply
    502,668.12x = 693,686.66 × 273,225.95
  4. Step 4: Simplify right side
    502,668.12x = 189,533,191,846.26
  5. Step 5: Solve for x
    x = 189,533,191,846.26/502,668.12
  6. Step 6: Final answer
    x = 377,054.33

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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.