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Finding the Fourth Proportional to 707,342.24, 976,132.35 and 385,054.71

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Solution

The fourth proportional to 707,342.24, 976,132.35 and 385,054.71 is: 531,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,342.24 : 976,132.35 = 385,054.71 : x
  2. Step 2: Convert to fraction form
    707,342.24/976,132.35 = 385,054.71/x
  3. Step 3: Cross multiply
    707,342.24x = 976,132.35 × 385,054.71
  4. Step 4: Simplify right side
    707,342.24x = 375,864,358,950.87
  5. Step 5: Solve for x
    x = 375,864,358,950.87/707,342.24
  6. Step 6: Final answer
    x = 531,375.54

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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.