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Finding the Fourth Proportional to 613,684.76, 920,219.28 and 357,600.27

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Solution

The fourth proportional to 613,684.76, 920,219.28 and 357,600.27 is: 536,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,684.76 : 920,219.28 = 357,600.27 : x
  2. Step 2: Convert to fraction form
    613,684.76/920,219.28 = 357,600.27/x
  3. Step 3: Cross multiply
    613,684.76x = 920,219.28 × 357,600.27
  4. Step 4: Simplify right side
    613,684.76x = 329,070,661,932.30
  5. Step 5: Solve for x
    x = 329,070,661,932.30/613,684.76
  6. Step 6: Final answer
    x = 536,221.01

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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.