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Finding the Fourth Proportional to 471,671.51, 650,911.34 and 270,428.63

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Solution

The fourth proportional to 471,671.51, 650,911.34 and 270,428.63 is: 373,194.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,671.51 : 650,911.34 = 270,428.63 : x
  2. Step 2: Convert to fraction form
    471,671.51/650,911.34 = 270,428.63/x
  3. Step 3: Cross multiply
    471,671.51x = 650,911.34 × 270,428.63
  4. Step 4: Simplify right side
    471,671.51x = 176,025,059,349.18
  5. Step 5: Solve for x
    x = 176,025,059,349.18/471,671.51
  6. Step 6: Final answer
    x = 373,194.18

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1.5x scale

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.