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Finding the Fourth Proportional to 525,660.36, 788,206.46 and 165,763.32

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Solution

The fourth proportional to 525,660.36, 788,206.46 and 165,763.32 is: 248,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,660.36 : 788,206.46 = 165,763.32 : x
  2. Step 2: Convert to fraction form
    525,660.36/788,206.46 = 165,763.32/x
  3. Step 3: Cross multiply
    525,660.36x = 788,206.46 × 165,763.32
  4. Step 4: Simplify right side
    525,660.36x = 130,655,719,655.05
  5. Step 5: Solve for x
    x = 130,655,719,655.05/525,660.36
  6. Step 6: Final answer
    x = 248,555.40

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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.