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Finding the Fourth Proportional to 285,702.54, 394,309.67 and 176,841.80

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Solution

The fourth proportional to 285,702.54, 394,309.67 and 176,841.80 is: 244,066.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,702.54 : 394,309.67 = 176,841.80 : x
  2. Step 2: Convert to fraction form
    285,702.54/394,309.67 = 176,841.80/x
  3. Step 3: Cross multiply
    285,702.54x = 394,309.67 × 176,841.80
  4. Step 4: Simplify right side
    285,702.54x = 69,730,428,944.45
  5. Step 5: Solve for x
    x = 69,730,428,944.45/285,702.54
  6. Step 6: Final answer
    x = 244,066.53

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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.