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Finding the Fourth Proportional to 442,162.80, 609,702.80 and 298,673.73

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Solution

The fourth proportional to 442,162.80, 609,702.80 and 298,673.73 is: 411,844.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,162.80 : 609,702.80 = 298,673.73 : x
  2. Step 2: Convert to fraction form
    442,162.80/609,702.80 = 298,673.73/x
  3. Step 3: Cross multiply
    442,162.80x = 609,702.80 × 298,673.73
  4. Step 4: Simplify right side
    442,162.80x = 182,102,207,974.08
  5. Step 5: Solve for x
    x = 182,102,207,974.08/442,162.80
  6. Step 6: Final answer
    x = 411,844.25

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1.5x scale

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.