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Finding the Fourth Proportional to 525,877.58, 788,816.37 and 126,518.34

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Solution

The fourth proportional to 525,877.58, 788,816.37 and 126,518.34 is: 189,777.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,877.58 : 788,816.37 = 126,518.34 : x
  2. Step 2: Convert to fraction form
    525,877.58/788,816.37 = 126,518.34/x
  3. Step 3: Cross multiply
    525,877.58x = 788,816.37 × 126,518.34
  4. Step 4: Simplify right side
    525,877.58x = 99,799,741,129.73
  5. Step 5: Solve for x
    x = 99,799,741,129.73/525,877.58
  6. Step 6: Final answer
    x = 189,777.52

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Similar ratio
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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.