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Finding the Fourth Proportional to 578,307.91, 797,969.69 and 363,295.69

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Solution

The fourth proportional to 578,307.91, 797,969.69 and 363,295.69 is: 501,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,307.91 : 797,969.69 = 363,295.69 : x
  2. Step 2: Convert to fraction form
    578,307.91/797,969.69 = 363,295.69/x
  3. Step 3: Cross multiply
    578,307.91x = 797,969.69 × 363,295.69
  4. Step 4: Simplify right side
    578,307.91x = 289,898,947,311.16
  5. Step 5: Solve for x
    x = 289,898,947,311.16/578,307.91
  6. Step 6: Final answer
    x = 501,288.23

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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.