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Finding the Fourth Proportional to 525,790.32, 788,562.60 and 170,713.20

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Solution

The fourth proportional to 525,790.32, 788,562.60 and 170,713.20 is: 256,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,790.32 : 788,562.60 = 170,713.20 : x
  2. Step 2: Convert to fraction form
    525,790.32/788,562.60 = 170,713.20/x
  3. Step 3: Cross multiply
    525,790.32x = 788,562.60 × 170,713.20
  4. Step 4: Simplify right side
    525,790.32x = 134,618,044,846.32
  5. Step 5: Solve for x
    x = 134,618,044,846.32/525,790.32
  6. Step 6: Final answer
    x = 256,029.90

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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.