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Finding the Fourth Proportional to 525,841.60, 788,762.40 and 170,867.20

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Solution

The fourth proportional to 525,841.60, 788,762.40 and 170,867.20 is: 256,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,841.60 : 788,762.40 = 170,867.20 : x
  2. Step 2: Convert to fraction form
    525,841.60/788,762.40 = 170,867.20/x
  3. Step 3: Cross multiply
    525,841.60x = 788,762.40 × 170,867.20
  4. Step 4: Simplify right side
    525,841.60x = 134,773,622,753.28
  5. Step 5: Solve for x
    x = 134,773,622,753.28/525,841.60
  6. Step 6: Final answer
    x = 256,300.80

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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.