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Finding the Fourth Proportional to 619,259.80, 854,657.58 and 364,634.68

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Solution

The fourth proportional to 619,259.80, 854,657.58 and 364,634.68 is: 503,242.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,259.80 : 854,657.58 = 364,634.68 : x
  2. Step 2: Convert to fraction form
    619,259.80/854,657.58 = 364,634.68/x
  3. Step 3: Cross multiply
    619,259.80x = 854,657.58 × 364,634.68
  4. Step 4: Simplify right side
    619,259.80x = 311,637,793,192.87
  5. Step 5: Solve for x
    x = 311,637,793,192.87/619,259.80
  6. Step 6: Final answer
    x = 503,242.41

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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.