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Finding the Fourth Proportional to 558,355.98, 770,507.93 and 328,922.67

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Solution

The fourth proportional to 558,355.98, 770,507.93 and 328,922.67 is: 453,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,355.98 : 770,507.93 = 328,922.67 : x
  2. Step 2: Convert to fraction form
    558,355.98/770,507.93 = 328,922.67/x
  3. Step 3: Cross multiply
    558,355.98x = 770,507.93 × 328,922.67
  4. Step 4: Simplify right side
    558,355.98x = 253,437,523,947.16
  5. Step 5: Solve for x
    x = 253,437,523,947.16/558,355.98
  6. Step 6: Final answer
    x = 453,899.54

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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.