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Finding the Fourth Proportional to 293,102.40, 440,309.70 and 281,948.70

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Solution

The fourth proportional to 293,102.40, 440,309.70 and 281,948.70 is: 423,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,102.40 : 440,309.70 = 281,948.70 : x
  2. Step 2: Convert to fraction form
    293,102.40/440,309.70 = 281,948.70/x
  3. Step 3: Cross multiply
    293,102.40x = 440,309.70 × 281,948.70
  4. Step 4: Simplify right side
    293,102.40x = 124,144,747,512.39
  5. Step 5: Solve for x
    x = 124,144,747,512.39/293,102.40
  6. Step 6: Final answer
    x = 423,554.18

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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.