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Finding the Fourth Proportional to 294,989.63, 407,085.75 and 167,673.42

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Solution

The fourth proportional to 294,989.63, 407,085.75 and 167,673.42 is: 231,389.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,989.63 : 407,085.75 = 167,673.42 : x
  2. Step 2: Convert to fraction form
    294,989.63/407,085.75 = 167,673.42/x
  3. Step 3: Cross multiply
    294,989.63x = 407,085.75 × 167,673.42
  4. Step 4: Simplify right side
    294,989.63x = 68,257,459,935.77
  5. Step 5: Solve for x
    x = 68,257,459,935.77/294,989.63
  6. Step 6: Final answer
    x = 231,389.36

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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.