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Finding the Fourth Proportional to 657,656.70, 986,485.05 and 184,422.30

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Solution

The fourth proportional to 657,656.70, 986,485.05 and 184,422.30 is: 276,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,656.70 : 986,485.05 = 184,422.30 : x
  2. Step 2: Convert to fraction form
    657,656.70/986,485.05 = 184,422.30/x
  3. Step 3: Cross multiply
    657,656.70x = 986,485.05 × 184,422.30
  4. Step 4: Simplify right side
    657,656.70x = 181,929,841,836.62
  5. Step 5: Solve for x
    x = 181,929,841,836.62/657,656.70
  6. Step 6: Final answer
    x = 276,633.45

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Double scale
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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.