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Finding the Fourth Proportional to 525,847.60, 788,771.40 and 170,873.20

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Solution

The fourth proportional to 525,847.60, 788,771.40 and 170,873.20 is: 256,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,847.60 : 788,771.40 = 170,873.20 : x
  2. Step 2: Convert to fraction form
    525,847.60/788,771.40 = 170,873.20/x
  3. Step 3: Cross multiply
    525,847.60x = 788,771.40 × 170,873.20
  4. Step 4: Simplify right side
    525,847.60x = 134,779,893,186.48
  5. Step 5: Solve for x
    x = 134,779,893,186.48/525,847.60
  6. Step 6: Final answer
    x = 256,309.80

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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.