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Finding the Fourth Proportional to 471,623.82, 650,852.58 and 256,775.67

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Solution

The fourth proportional to 471,623.82, 650,852.58 and 256,775.67 is: 354,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,623.82 : 650,852.58 = 256,775.67 : x
  2. Step 2: Convert to fraction form
    471,623.82/650,852.58 = 256,775.67/x
  3. Step 3: Cross multiply
    471,623.82x = 650,852.58 × 256,775.67
  4. Step 4: Simplify right side
    471,623.82x = 167,123,107,300.73
  5. Step 5: Solve for x
    x = 167,123,107,300.73/471,623.82
  6. Step 6: Final answer
    x = 354,356.80

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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.