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Finding the Fourth Proportional to 577,242.73, 796,525.98 and 319,084.92

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Solution

The fourth proportional to 577,242.73, 796,525.98 and 319,084.92 is: 440,299.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,242.73 : 796,525.98 = 319,084.92 : x
  2. Step 2: Convert to fraction form
    577,242.73/796,525.98 = 319,084.92/x
  3. Step 3: Cross multiply
    577,242.73x = 796,525.98 × 319,084.92
  4. Step 4: Simplify right side
    577,242.73x = 254,159,428,307.08
  5. Step 5: Solve for x
    x = 254,159,428,307.08/577,242.73
  6. Step 6: Final answer
    x = 440,299.06

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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.