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Finding the Fourth Proportional to 619,295.80, 854,707.30 and 364,670.68

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Solution

The fourth proportional to 619,295.80, 854,707.30 and 364,670.68 is: 503,292.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,295.80 : 854,707.30 = 364,670.68 : x
  2. Step 2: Convert to fraction form
    619,295.80/854,707.30 = 364,670.68/x
  3. Step 3: Cross multiply
    619,295.80x = 854,707.30 × 364,670.68
  4. Step 4: Simplify right side
    619,295.80x = 311,686,692,291.96
  5. Step 5: Solve for x
    x = 311,686,692,291.96/619,295.80
  6. Step 6: Final answer
    x = 503,292.11

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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.