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Finding the Fourth Proportional to 569,894.33, 786,377.16 and 324,910.69

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Solution

The fourth proportional to 569,894.33, 786,377.16 and 324,910.69 is: 448,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,894.33 : 786,377.16 = 324,910.69 : x
  2. Step 2: Convert to fraction form
    569,894.33/786,377.16 = 324,910.69/x
  3. Step 3: Cross multiply
    569,894.33x = 786,377.16 × 324,910.69
  4. Step 4: Simplify right side
    569,894.33x = 255,502,348,113.27
  5. Step 5: Solve for x
    x = 255,502,348,113.27/569,894.33
  6. Step 6: Final answer
    x = 448,332.85

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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.