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Finding the Fourth Proportional to 567,711, 783,405.42 and 325,823.33

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Solution

The fourth proportional to 567,711, 783,405.42 and 325,823.33 is: 449,615.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,711 : 783,405.42 = 325,823.33 : x
  2. Step 2: Convert to fraction form
    567,711/783,405.42 = 325,823.33/x
  3. Step 3: Cross multiply
    567,711x = 783,405.42 × 325,823.33
  4. Step 4: Simplify right side
    567,711x = 255,251,762,684.45
  5. Step 5: Solve for x
    x = 255,251,762,684.45/567,711
  6. Step 6: Final answer
    x = 449,615.67

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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.