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Finding the Fourth Proportional to 635,970.65, 877,598.21 and 364,040.69

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Solution

The fourth proportional to 635,970.65, 877,598.21 and 364,040.69 is: 502,352.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,970.65 : 877,598.21 = 364,040.69 : x
  2. Step 2: Convert to fraction form
    635,970.65/877,598.21 = 364,040.69/x
  3. Step 3: Cross multiply
    635,970.65x = 877,598.21 × 364,040.69
  4. Step 4: Simplify right side
    635,970.65x = 319,481,454,433.28
  5. Step 5: Solve for x
    x = 319,481,454,433.28/635,970.65
  6. Step 6: Final answer
    x = 502,352.52

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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.