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Finding the Fourth Proportional to 482,588.96, 665,865.63 and 278,595.59

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Solution

The fourth proportional to 482,588.96, 665,865.63 and 278,595.59 is: 384,400.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,588.96 : 665,865.63 = 278,595.59 : x
  2. Step 2: Convert to fraction form
    482,588.96/665,865.63 = 278,595.59/x
  3. Step 3: Cross multiply
    482,588.96x = 665,865.63 × 278,595.59
  4. Step 4: Simplify right side
    482,588.96x = 185,507,228,050.57
  5. Step 5: Solve for x
    x = 185,507,228,050.57/482,588.96
  6. Step 6: Final answer
    x = 384,400.07

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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.