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Finding the Fourth Proportional to 604,285.54, 833,919.60 and 328,645.96

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Solution

The fourth proportional to 604,285.54, 833,919.60 and 328,645.96 is: 453,534.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,285.54 : 833,919.60 = 328,645.96 : x
  2. Step 2: Convert to fraction form
    604,285.54/833,919.60 = 328,645.96/x
  3. Step 3: Cross multiply
    604,285.54x = 833,919.60 × 328,645.96
  4. Step 4: Simplify right side
    604,285.54x = 274,064,307,504.82
  5. Step 5: Solve for x
    x = 274,064,307,504.82/604,285.54
  6. Step 6: Final answer
    x = 453,534.45

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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.