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Finding the Fourth Proportional to 294,321.51, 406,114.78 and 173,446.35

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Solution

The fourth proportional to 294,321.51, 406,114.78 and 173,446.35 is: 239,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,321.51 : 406,114.78 = 173,446.35 : x
  2. Step 2: Convert to fraction form
    294,321.51/406,114.78 = 173,446.35/x
  3. Step 3: Cross multiply
    294,321.51x = 406,114.78 × 173,446.35
  4. Step 4: Simplify right side
    294,321.51x = 70,439,126,272.05
  5. Step 5: Solve for x
    x = 70,439,126,272.05/294,321.51
  6. Step 6: Final answer
    x = 239,327.14

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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.