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Finding the Fourth Proportional to 255,706.57, 353,026.43 and 227,333.89

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Solution

The fourth proportional to 255,706.57, 353,026.43 and 227,333.89 is: 313,855.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,706.57 : 353,026.43 = 227,333.89 : x
  2. Step 2: Convert to fraction form
    255,706.57/353,026.43 = 227,333.89/x
  3. Step 3: Cross multiply
    255,706.57x = 353,026.43 × 227,333.89
  4. Step 4: Simplify right side
    255,706.57x = 80,254,871,604.71
  5. Step 5: Solve for x
    x = 80,254,871,604.71/255,706.57
  6. Step 6: Final answer
    x = 313,855.34

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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.