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Finding the Fourth Proportional to 707,323.06, 976,105.94 and 385,035.58

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Solution

The fourth proportional to 707,323.06, 976,105.94 and 385,035.58 is: 531,349.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,323.06 : 976,105.94 = 385,035.58 : x
  2. Step 2: Convert to fraction form
    707,323.06/976,105.94 = 385,035.58/x
  3. Step 3: Cross multiply
    707,323.06x = 976,105.94 × 385,035.58
  4. Step 4: Simplify right side
    707,323.06x = 375,835,516,749.35
  5. Step 5: Solve for x
    x = 375,835,516,749.35/707,323.06
  6. Step 6: Final answer
    x = 531,349.16

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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.