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Finding the Fourth Proportional to 488,447.91, 674,058.06 and 297,461.25

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Solution

The fourth proportional to 488,447.91, 674,058.06 and 297,461.25 is: 410,496.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,447.91 : 674,058.06 = 297,461.25 : x
  2. Step 2: Convert to fraction form
    488,447.91/674,058.06 = 297,461.25/x
  3. Step 3: Cross multiply
    488,447.91x = 674,058.06 × 297,461.25
  4. Step 4: Simplify right side
    488,447.91x = 200,506,153,100.18
  5. Step 5: Solve for x
    x = 200,506,153,100.18/488,447.91
  6. Step 6: Final answer
    x = 410,496.49

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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.