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Finding the Fourth Proportional to 565,049.68, 779,973.26 and 374,124.58

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Solution

The fourth proportional to 565,049.68, 779,973.26 and 374,124.58 is: 516,427.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,049.68 : 779,973.26 = 374,124.58 : x
  2. Step 2: Convert to fraction form
    565,049.68/779,973.26 = 374,124.58/x
  3. Step 3: Cross multiply
    565,049.68x = 779,973.26 × 374,124.58
  4. Step 4: Simplify right side
    565,049.68x = 291,807,168,308.73
  5. Step 5: Solve for x
    x = 291,807,168,308.73/565,049.68
  6. Step 6: Final answer
    x = 516,427.46

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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.