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Finding the Fourth Proportional to 525,876.80, 788,815.20 and 151,937.60

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Solution

The fourth proportional to 525,876.80, 788,815.20 and 151,937.60 is: 227,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,876.80 : 788,815.20 = 151,937.60 : x
  2. Step 2: Convert to fraction form
    525,876.80/788,815.20 = 151,937.60/x
  3. Step 3: Cross multiply
    525,876.80x = 788,815.20 × 151,937.60
  4. Step 4: Simplify right side
    525,876.80x = 119,850,688,331.52
  5. Step 5: Solve for x
    x = 119,850,688,331.52/525,876.80
  6. Step 6: Final answer
    x = 227,906.40

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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.