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Finding the Fourth Proportional to 298,490.00, 411,923.59 and 162,531.40

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Solution

The fourth proportional to 298,490.00, 411,923.59 and 162,531.40 is: 224,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,490.00 : 411,923.59 = 162,531.40 : x
  2. Step 2: Convert to fraction form
    298,490.00/411,923.59 = 162,531.40/x
  3. Step 3: Cross multiply
    298,490.00x = 411,923.59 × 162,531.40
  4. Step 4: Simplify right side
    298,490.00x = 66,950,514,903.45
  5. Step 5: Solve for x
    x = 66,950,514,903.45/298,490.00
  6. Step 6: Final answer
    x = 224,297.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.