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Finding the Fourth Proportional to 707,502.25, 976,370.66 and 385,230.03

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Solution

The fourth proportional to 707,502.25, 976,370.66 and 385,230.03 is: 531,627.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,502.25 : 976,370.66 = 385,230.03 : x
  2. Step 2: Convert to fraction form
    707,502.25/976,370.66 = 385,230.03/x
  3. Step 3: Cross multiply
    707,502.25x = 976,370.66 × 385,230.03
  4. Step 4: Simplify right side
    707,502.25x = 376,127,294,499.99
  5. Step 5: Solve for x
    x = 376,127,294,499.99/707,502.25
  6. Step 6: Final answer
    x = 531,627.00

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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.