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Finding the Fourth Proportional to 604,833.68, 834,322.80 and 378,085.52

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Solution

The fourth proportional to 604,833.68, 834,322.80 and 378,085.52 is: 521,540.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,833.68 : 834,322.80 = 378,085.52 : x
  2. Step 2: Convert to fraction form
    604,833.68/834,322.80 = 378,085.52/x
  3. Step 3: Cross multiply
    604,833.68x = 834,322.80 × 378,085.52
  4. Step 4: Simplify right side
    604,833.68x = 315,445,369,685.86
  5. Step 5: Solve for x
    x = 315,445,369,685.86/604,833.68
  6. Step 6: Final answer
    x = 521,540.68

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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.