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Finding the Fourth Proportional to 293,417.40, 404,960.94 and 180,319.80

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Solution

The fourth proportional to 293,417.40, 404,960.94 and 180,319.80 is: 248,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,417.40 : 404,960.94 = 180,319.80 : x
  2. Step 2: Convert to fraction form
    293,417.40/404,960.94 = 180,319.80/x
  3. Step 3: Cross multiply
    293,417.40x = 404,960.94 × 180,319.80
  4. Step 4: Simplify right side
    293,417.40x = 73,022,475,708.61
  5. Step 5: Solve for x
    x = 73,022,475,708.61/293,417.40
  6. Step 6: Final answer
    x = 248,868.93

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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.