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Finding the Fourth Proportional to 471,806.45, 651,088.37 and 256,950.11

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Solution

The fourth proportional to 471,806.45, 651,088.37 and 256,950.11 is: 354,588.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,806.45 : 651,088.37 = 256,950.11 : x
  2. Step 2: Convert to fraction form
    471,806.45/651,088.37 = 256,950.11/x
  3. Step 3: Cross multiply
    471,806.45x = 651,088.37 × 256,950.11
  4. Step 4: Simplify right side
    471,806.45x = 167,297,225,678.15
  5. Step 5: Solve for x
    x = 167,297,225,678.15/471,806.45
  6. Step 6: Final answer
    x = 354,588.68

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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.