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Finding the Fourth Proportional to 581,635.69, 802,658.51 and 326,988.97

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Solution

The fourth proportional to 581,635.69, 802,658.51 and 326,988.97 is: 451,245.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,635.69 : 802,658.51 = 326,988.97 : x
  2. Step 2: Convert to fraction form
    581,635.69/802,658.51 = 326,988.97/x
  3. Step 3: Cross multiply
    581,635.69x = 802,658.51 × 326,988.97
  4. Step 4: Simplify right side
    581,635.69x = 262,460,477,811.69
  5. Step 5: Solve for x
    x = 262,460,477,811.69/581,635.69
  6. Step 6: Final answer
    x = 451,245.48

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1.5x scale

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.