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Finding the Fourth Proportional to 619,007.60, 927,971.40 and 240,186.80

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Solution

The fourth proportional to 619,007.60, 927,971.40 and 240,186.80 is: 360,070.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,007.60 : 927,971.40 = 240,186.80 : x
  2. Step 2: Convert to fraction form
    619,007.60/927,971.40 = 240,186.80/x
  3. Step 3: Cross multiply
    619,007.60x = 927,971.40 × 240,186.80
  4. Step 4: Simplify right side
    619,007.60x = 222,886,481,057.52
  5. Step 5: Solve for x
    x = 222,886,481,057.52/619,007.60
  6. Step 6: Final answer
    x = 360,070.67

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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.