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Finding the Fourth Proportional to 707,305.35, 976,041.66 and 384,996.23

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Solution

The fourth proportional to 707,305.35, 976,041.66 and 384,996.23 is: 531,273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,305.35 : 976,041.66 = 384,996.23 : x
  2. Step 2: Convert to fraction form
    707,305.35/976,041.66 = 384,996.23/x
  3. Step 3: Cross multiply
    707,305.35x = 976,041.66 × 384,996.23
  4. Step 4: Simplify right side
    707,305.35x = 375,772,359,422.94
  5. Step 5: Solve for x
    x = 375,772,359,422.94/707,305.35
  6. Step 6: Final answer
    x = 531,273.18

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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.