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Finding the Fourth Proportional to 488,047.40, 673,032.26 and 380,578.24

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Solution

The fourth proportional to 488,047.40, 673,032.26 and 380,578.24 is: 524,829.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,047.40 : 673,032.26 = 380,578.24 : x
  2. Step 2: Convert to fraction form
    488,047.40/673,032.26 = 380,578.24/x
  3. Step 3: Cross multiply
    488,047.40x = 673,032.26 × 380,578.24
  4. Step 4: Simplify right side
    488,047.40x = 256,141,432,974.02
  5. Step 5: Solve for x
    x = 256,141,432,974.02/488,047.40
  6. Step 6: Final answer
    x = 524,829.01

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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.