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Finding the Fourth Proportional to 293,141.40, 439,712.10 and 167,170.20

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Solution

The fourth proportional to 293,141.40, 439,712.10 and 167,170.20 is: 250,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,141.40 : 439,712.10 = 167,170.20 : x
  2. Step 2: Convert to fraction form
    293,141.40/439,712.10 = 167,170.20/x
  3. Step 3: Cross multiply
    293,141.40x = 439,712.10 × 167,170.20
  4. Step 4: Simplify right side
    293,141.40x = 73,506,759,699.42
  5. Step 5: Solve for x
    x = 73,506,759,699.42/293,141.40
  6. Step 6: Final answer
    x = 250,755.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.