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Finding the Fourth Proportional to 651,544.53, 899,058.89 and 379,555.54

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Solution

The fourth proportional to 651,544.53, 899,058.89 and 379,555.54 is: 523,744.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,544.53 : 899,058.89 = 379,555.54 : x
  2. Step 2: Convert to fraction form
    651,544.53/899,058.89 = 379,555.54/x
  3. Step 3: Cross multiply
    651,544.53x = 899,058.89 × 379,555.54
  4. Step 4: Simplify right side
    651,544.53x = 341,242,781,186.99
  5. Step 5: Solve for x
    x = 341,242,781,186.99/651,544.53
  6. Step 6: Final answer
    x = 523,744.38

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1.5x scale

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.