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Finding the Fourth Proportional to 349,108.41, 523,703.63 and 124,500.78

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Solution

The fourth proportional to 349,108.41, 523,703.63 and 124,500.78 is: 186,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,108.41 : 523,703.63 = 124,500.78 : x
  2. Step 2: Convert to fraction form
    349,108.41/523,703.63 = 124,500.78/x
  3. Step 3: Cross multiply
    349,108.41x = 523,703.63 × 124,500.78
  4. Step 4: Simplify right side
    349,108.41x = 65,201,510,735.08
  5. Step 5: Solve for x
    x = 65,201,510,735.08/349,108.41
  6. Step 6: Final answer
    x = 186,765.80

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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.