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Finding the Fourth Proportional to 583,257.96, 804,855.02 and 321,601.64

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Solution

The fourth proportional to 583,257.96, 804,855.02 and 321,601.64 is: 443,787.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,257.96 : 804,855.02 = 321,601.64 : x
  2. Step 2: Convert to fraction form
    583,257.96/804,855.02 = 321,601.64/x
  3. Step 3: Cross multiply
    583,257.96x = 804,855.02 × 321,601.64
  4. Step 4: Simplify right side
    583,257.96x = 258,842,688,761.95
  5. Step 5: Solve for x
    x = 258,842,688,761.95/583,257.96
  6. Step 6: Final answer
    x = 443,787.67

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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.