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Finding the Fourth Proportional to 558,151.04, 770,155.07 and 328,754.01

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Solution

The fourth proportional to 558,151.04, 770,155.07 and 328,754.01 is: 453,625.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,151.04 : 770,155.07 = 328,754.01 : x
  2. Step 2: Convert to fraction form
    558,151.04/770,155.07 = 328,754.01/x
  3. Step 3: Cross multiply
    558,151.04x = 770,155.07 × 328,754.01
  4. Step 4: Simplify right side
    558,151.04x = 253,191,565,940.56
  5. Step 5: Solve for x
    x = 253,191,565,940.56/558,151.04
  6. Step 6: Final answer
    x = 453,625.54

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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.