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Finding the Fourth Proportional to 293,386.46, 404,778.67 and 164,305.67

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Solution

The fourth proportional to 293,386.46, 404,778.67 and 164,305.67 is: 226,688.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,386.46 : 404,778.67 = 164,305.67 : x
  2. Step 2: Convert to fraction form
    293,386.46/404,778.67 = 164,305.67/x
  3. Step 3: Cross multiply
    293,386.46x = 404,778.67 × 164,305.67
  4. Step 4: Simplify right side
    293,386.46x = 66,507,428,141.40
  5. Step 5: Solve for x
    x = 66,507,428,141.40/293,386.46
  6. Step 6: Final answer
    x = 226,688.82

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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.