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Finding the Fourth Proportional to 573,555.66, 791,502.02 and 318,904.62

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Solution

The fourth proportional to 573,555.66, 791,502.02 and 318,904.62 is: 440,085.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,555.66 : 791,502.02 = 318,904.62 : x
  2. Step 2: Convert to fraction form
    573,555.66/791,502.02 = 318,904.62/x
  3. Step 3: Cross multiply
    573,555.66x = 791,502.02 × 318,904.62
  4. Step 4: Simplify right side
    573,555.66x = 252,413,650,917.33
  5. Step 5: Solve for x
    x = 252,413,650,917.33/573,555.66
  6. Step 6: Final answer
    x = 440,085.71

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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.