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Finding the Fourth Proportional to 576,362.76, 795,354.42 and 321,708.36

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Solution

The fourth proportional to 576,362.76, 795,354.42 and 321,708.36 is: 443,942.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,362.76 : 795,354.42 = 321,708.36 : x
  2. Step 2: Convert to fraction form
    576,362.76/795,354.42 = 321,708.36/x
  3. Step 3: Cross multiply
    576,362.76x = 795,354.42 × 321,708.36
  4. Step 4: Simplify right side
    576,362.76x = 255,872,166,076.95
  5. Step 5: Solve for x
    x = 255,872,166,076.95/576,362.76
  6. Step 6: Final answer
    x = 443,942.92

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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.