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Finding the Fourth Proportional to 478,325.52, 660,119.22 and 263,465.46

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Solution

The fourth proportional to 478,325.52, 660,119.22 and 263,465.46 is: 363,598.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,325.52 : 660,119.22 = 263,465.46 : x
  2. Step 2: Convert to fraction form
    478,325.52/660,119.22 = 263,465.46/x
  3. Step 3: Cross multiply
    478,325.52x = 660,119.22 × 263,465.46
  4. Step 4: Simplify right side
    478,325.52x = 173,918,613,952.14
  5. Step 5: Solve for x
    x = 173,918,613,952.14/478,325.52
  6. Step 6: Final answer
    x = 363,598.86

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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.