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Finding the Fourth Proportional to 581,088.56, 801,814.92 and 326,390.96

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Solution

The fourth proportional to 581,088.56, 801,814.92 and 326,390.96 is: 450,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,088.56 : 801,814.92 = 326,390.96 : x
  2. Step 2: Convert to fraction form
    581,088.56/801,814.92 = 326,390.96/x
  3. Step 3: Cross multiply
    581,088.56x = 801,814.92 × 326,390.96
  4. Step 4: Simplify right side
    581,088.56x = 261,705,141,481.12
  5. Step 5: Solve for x
    x = 261,705,141,481.12/581,088.56
  6. Step 6: Final answer
    x = 450,370.49

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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.