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Finding the Fourth Proportional to 440,003.54, 658,888.89 and 368,738.77

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Solution

The fourth proportional to 440,003.54, 658,888.89 and 368,738.77 is: 552,172.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,003.54 : 658,888.89 = 368,738.77 : x
  2. Step 2: Convert to fraction form
    440,003.54/658,888.89 = 368,738.77/x
  3. Step 3: Cross multiply
    440,003.54x = 658,888.89 × 368,738.77
  4. Step 4: Simplify right side
    440,003.54x = 242,957,877,218.04
  5. Step 5: Solve for x
    x = 242,957,877,218.04/440,003.54
  6. Step 6: Final answer
    x = 552,172.56

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1.5x scale

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.