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Finding the Fourth Proportional to 567,753.51, 783,473.43 and 325,865.82

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Solution

The fourth proportional to 567,753.51, 783,473.43 and 325,865.82 is: 449,679.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,753.51 : 783,473.43 = 325,865.82 : x
  2. Step 2: Convert to fraction form
    567,753.51/783,473.43 = 325,865.82/x
  3. Step 3: Cross multiply
    567,753.51x = 783,473.43 × 325,865.82
  4. Step 4: Simplify right side
    567,753.51x = 255,307,211,715.16
  5. Step 5: Solve for x
    x = 255,307,211,715.16/567,753.51
  6. Step 6: Final answer
    x = 449,679.67

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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.