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Finding the Fourth Proportional to 657,668.70, 986,503.05 and 184,434.30

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Solution

The fourth proportional to 657,668.70, 986,503.05 and 184,434.30 is: 276,651.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,668.70 : 986,503.05 = 184,434.30 : x
  2. Step 2: Convert to fraction form
    657,668.70/986,503.05 = 184,434.30/x
  3. Step 3: Cross multiply
    657,668.70x = 986,503.05 × 184,434.30
  4. Step 4: Simplify right side
    657,668.70x = 181,944,999,474.62
  5. Step 5: Solve for x
    x = 181,944,999,474.62/657,668.70
  6. Step 6: Final answer
    x = 276,651.45

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Double scale
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Similar ratio
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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.