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Finding the Fourth Proportional to 326,742.73, 488,362.30 and 294,648.50

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Solution

The fourth proportional to 326,742.73, 488,362.30 and 294,648.50 is: 440,393.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,742.73 : 488,362.30 = 294,648.50 : x
  2. Step 2: Convert to fraction form
    326,742.73/488,362.30 = 294,648.50/x
  3. Step 3: Cross multiply
    326,742.73x = 488,362.30 × 294,648.50
  4. Step 4: Simplify right side
    326,742.73x = 143,895,219,635.84
  5. Step 5: Solve for x
    x = 143,895,219,635.84/326,742.73
  6. Step 6: Final answer
    x = 440,393.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.