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Finding the Fourth Proportional to 619,240.80, 927,632.40 and 356,277.60

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Solution

The fourth proportional to 619,240.80, 927,632.40 and 356,277.60 is: 533,709.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,240.80 : 927,632.40 = 356,277.60 : x
  2. Step 2: Convert to fraction form
    619,240.80/927,632.40 = 356,277.60/x
  3. Step 3: Cross multiply
    619,240.80x = 927,632.40 × 356,277.60
  4. Step 4: Simplify right side
    619,240.80x = 330,494,645,154.24
  5. Step 5: Solve for x
    x = 330,494,645,154.24/619,240.80
  6. Step 6: Final answer
    x = 533,709.42

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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.