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Finding the Fourth Proportional to 293,905.20, 440,857.80 and 153,706.80

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Solution

The fourth proportional to 293,905.20, 440,857.80 and 153,706.80 is: 230,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,905.20 : 440,857.80 = 153,706.80 : x
  2. Step 2: Convert to fraction form
    293,905.20/440,857.80 = 153,706.80/x
  3. Step 3: Cross multiply
    293,905.20x = 440,857.80 × 153,706.80
  4. Step 4: Simplify right side
    293,905.20x = 67,762,841,693.04
  5. Step 5: Solve for x
    x = 67,762,841,693.04/293,905.20
  6. Step 6: Final answer
    x = 230,560.20

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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.