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Finding the Fourth Proportional to 525,798.80, 788,698.20 and 325,469.60

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Solution

The fourth proportional to 525,798.80, 788,698.20 and 325,469.60 is: 488,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,798.80 : 788,698.20 = 325,469.60 : x
  2. Step 2: Convert to fraction form
    525,798.80/788,698.20 = 325,469.60/x
  3. Step 3: Cross multiply
    525,798.80x = 788,698.20 × 325,469.60
  4. Step 4: Simplify right side
    525,798.80x = 256,697,287,674.72
  5. Step 5: Solve for x
    x = 256,697,287,674.72/525,798.80
  6. Step 6: Final answer
    x = 488,204.40

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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.