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Finding the Fourth Proportional to 350,103.60, 524,233.80 and 256,100.40

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Solution

The fourth proportional to 350,103.60, 524,233.80 and 256,100.40 is: 383,476.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,103.60 : 524,233.80 = 256,100.40 : x
  2. Step 2: Convert to fraction form
    350,103.60/524,233.80 = 256,100.40/x
  3. Step 3: Cross multiply
    350,103.60x = 524,233.80 × 256,100.40
  4. Step 4: Simplify right side
    350,103.60x = 134,256,485,873.52
  5. Step 5: Solve for x
    x = 134,256,485,873.52/350,103.60
  6. Step 6: Final answer
    x = 383,476.45

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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.