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Finding the Fourth Proportional to 657,658.70, 986,488.05 and 184,424.30

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Solution

The fourth proportional to 657,658.70, 986,488.05 and 184,424.30 is: 276,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,658.70 : 986,488.05 = 184,424.30 : x
  2. Step 2: Convert to fraction form
    657,658.70/986,488.05 = 184,424.30/x
  3. Step 3: Cross multiply
    657,658.70x = 986,488.05 × 184,424.30
  4. Step 4: Simplify right side
    657,658.70x = 181,932,368,079.62
  5. Step 5: Solve for x
    x = 181,932,368,079.62/657,658.70
  6. Step 6: Final answer
    x = 276,636.45

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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.