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Finding the Fourth Proportional to 471,263.94, 650,347.08 and 256,405.56

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Solution

The fourth proportional to 471,263.94, 650,347.08 and 256,405.56 is: 353,841.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,263.94 : 650,347.08 = 256,405.56 : x
  2. Step 2: Convert to fraction form
    471,263.94/650,347.08 = 256,405.56/x
  3. Step 3: Cross multiply
    471,263.94x = 650,347.08 × 256,405.56
  4. Step 4: Simplify right side
    471,263.94x = 166,752,607,241.77
  5. Step 5: Solve for x
    x = 166,752,607,241.77/471,263.94
  6. Step 6: Final answer
    x = 353,841.22

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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.