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Finding the Fourth Proportional to 617,672.63, 925,302.29 and 425,513.16

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Solution

The fourth proportional to 617,672.63, 925,302.29 and 425,513.16 is: 637,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,672.63 : 925,302.29 = 425,513.16 : x
  2. Step 2: Convert to fraction form
    617,672.63/925,302.29 = 425,513.16/x
  3. Step 3: Cross multiply
    617,672.63x = 925,302.29 × 425,513.16
  4. Step 4: Simplify right side
    617,672.63x = 393,728,296,746.63
  5. Step 5: Solve for x
    x = 393,728,296,746.63/617,672.63
  6. Step 6: Final answer
    x = 637,438.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.