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Finding the Fourth Proportional to 567,847.32, 783,627.80 and 326,145.57

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Solution

The fourth proportional to 567,847.32, 783,627.80 and 326,145.57 is: 450,080.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,847.32 : 783,627.80 = 326,145.57 : x
  2. Step 2: Convert to fraction form
    567,847.32/783,627.80 = 326,145.57/x
  3. Step 3: Cross multiply
    567,847.32x = 783,627.80 × 326,145.57
  4. Step 4: Simplify right side
    567,847.32x = 255,576,733,868.12
  5. Step 5: Solve for x
    x = 255,576,733,868.12/567,847.32
  6. Step 6: Final answer
    x = 450,080.02

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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.