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Finding the Fourth Proportional to 471,845.76, 651,140.64 and 270,637.44

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Solution

The fourth proportional to 471,845.76, 651,140.64 and 270,637.44 is: 373,475.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,845.76 : 651,140.64 = 270,637.44 : x
  2. Step 2: Convert to fraction form
    471,845.76/651,140.64 = 270,637.44/x
  3. Step 3: Cross multiply
    471,845.76x = 651,140.64 × 270,637.44
  4. Step 4: Simplify right side
    471,845.76x = 176,223,035,889.56
  5. Step 5: Solve for x
    x = 176,223,035,889.56/471,845.76
  6. Step 6: Final answer
    x = 373,475.93

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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.