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Finding the Fourth Proportional to 569,695.20, 853,851.60 and 253,816.80

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Solution

The fourth proportional to 569,695.20, 853,851.60 and 253,816.80 is: 380,417.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,695.20 : 853,851.60 = 253,816.80 : x
  2. Step 2: Convert to fraction form
    569,695.20/853,851.60 = 253,816.80/x
  3. Step 3: Cross multiply
    569,695.20x = 853,851.60 × 253,816.80
  4. Step 4: Simplify right side
    569,695.20x = 216,721,880,786.88
  5. Step 5: Solve for x
    x = 216,721,880,786.88/569,695.20
  6. Step 6: Final answer
    x = 380,417.25

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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.