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Finding the Fourth Proportional to 567,080.80, 850,621.20 and 510,000.10

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Solution

The fourth proportional to 567,080.80, 850,621.20 and 510,000.10 is: 765,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,080.80 : 850,621.20 = 510,000.10 : x
  2. Step 2: Convert to fraction form
    567,080.80/850,621.20 = 510,000.10/x
  3. Step 3: Cross multiply
    567,080.80x = 850,621.20 × 510,000.10
  4. Step 4: Simplify right side
    567,080.80x = 433,816,897,062.12
  5. Step 5: Solve for x
    x = 433,816,897,062.12/567,080.80
  6. Step 6: Final answer
    x = 765,000.15

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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.