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Finding the Fourth Proportional to 657,781.70, 986,590.54 and 184,503.97

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Solution

The fourth proportional to 657,781.70, 986,590.54 and 184,503.97 is: 276,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,781.70 : 986,590.54 = 184,503.97 : x
  2. Step 2: Convert to fraction form
    657,781.70/986,590.54 = 184,503.97/x
  3. Step 3: Cross multiply
    657,781.70x = 986,590.54 × 184,503.97
  4. Step 4: Simplify right side
    657,781.70x = 182,029,868,466.71
  5. Step 5: Solve for x
    x = 182,029,868,466.71/657,781.70
  6. Step 6: Final answer
    x = 276,732.95

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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.