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Finding the Fourth Proportional to 565,486.44, 780,553.14 and 362,085.12

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Solution

The fourth proportional to 565,486.44, 780,553.14 and 362,085.12 is: 499,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,486.44 : 780,553.14 = 362,085.12 : x
  2. Step 2: Convert to fraction form
    565,486.44/780,553.14 = 362,085.12/x
  3. Step 3: Cross multiply
    565,486.44x = 780,553.14 × 362,085.12
  4. Step 4: Simplify right side
    565,486.44x = 282,626,677,363.28
  5. Step 5: Solve for x
    x = 282,626,677,363.28/565,486.44
  6. Step 6: Final answer
    x = 499,793.91

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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.