Home / 350,288.10-523,512.90-255,717.45

Finding the Fourth Proportional to 350,288.10, 523,512.90 and 255,717.45

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Solution

The fourth proportional to 350,288.10, 523,512.90 and 255,717.45 is: 382,175.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,288.10 : 523,512.90 = 255,717.45 : x
  2. Step 2: Convert to fraction form
    350,288.10/523,512.90 = 255,717.45/x
  3. Step 3: Cross multiply
    350,288.10x = 523,512.90 × 255,717.45
  4. Step 4: Simplify right side
    350,288.10x = 133,871,383,830.11
  5. Step 5: Solve for x
    x = 133,871,383,830.11/350,288.10
  6. Step 6: Final answer
    x = 382,175.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.