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Finding the Fourth Proportional to 471,992.66, 651,346.48 and 257,132.67

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Solution

The fourth proportional to 471,992.66, 651,346.48 and 257,132.67 is: 354,841.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,992.66 : 651,346.48 = 257,132.67 : x
  2. Step 2: Convert to fraction form
    471,992.66/651,346.48 = 257,132.67/x
  3. Step 3: Cross multiply
    471,992.66x = 651,346.48 × 257,132.67
  4. Step 4: Simplify right side
    471,992.66x = 167,482,459,497.50
  5. Step 5: Solve for x
    x = 167,482,459,497.50/471,992.66
  6. Step 6: Final answer
    x = 354,841.24

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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.