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Finding the Fourth Proportional to 657,669.20, 986,503.80 and 184,434.80

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Solution

The fourth proportional to 657,669.20, 986,503.80 and 184,434.80 is: 276,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,669.20 : 986,503.80 = 184,434.80 : x
  2. Step 2: Convert to fraction form
    657,669.20/986,503.80 = 184,434.80/x
  3. Step 3: Cross multiply
    657,669.20x = 986,503.80 × 184,434.80
  4. Step 4: Simplify right side
    657,669.20x = 181,945,631,052.24
  5. Step 5: Solve for x
    x = 181,945,631,052.24/657,669.20
  6. Step 6: Final answer
    x = 276,652.20

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Similar ratio
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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.