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Finding the Fourth Proportional to 619,659.36, 855,394.56 and 524,662.56

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Solution

The fourth proportional to 619,659.36, 855,394.56 and 524,662.56 is: 724,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,659.36 : 855,394.56 = 524,662.56 : x
  2. Step 2: Convert to fraction form
    619,659.36/855,394.56 = 524,662.56/x
  3. Step 3: Cross multiply
    619,659.36x = 855,394.56 × 524,662.56
  4. Step 4: Simplify right side
    619,659.36x = 448,793,499,659.67
  5. Step 5: Solve for x
    x = 448,793,499,659.67/619,659.36
  6. Step 6: Final answer
    x = 724,258.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.