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Finding the Fourth Proportional to 293,690.70, 440,190.45 and 153,377.10

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Solution

The fourth proportional to 293,690.70, 440,190.45 and 153,377.10 is: 229,885.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,690.70 : 440,190.45 = 153,377.10 : x
  2. Step 2: Convert to fraction form
    293,690.70/440,190.45 = 153,377.10/x
  3. Step 3: Cross multiply
    293,690.70x = 440,190.45 × 153,377.10
  4. Step 4: Simplify right side
    293,690.70x = 67,515,134,668.70
  5. Step 5: Solve for x
    x = 67,515,134,668.70/293,690.70
  6. Step 6: Final answer
    x = 229,885.16

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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.