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Finding the Fourth Proportional to 601,699.20, 902,330.10 and 302,080.20

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Solution

The fourth proportional to 601,699.20, 902,330.10 and 302,080.20 is: 453,010.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,699.20 : 902,330.10 = 302,080.20 : x
  2. Step 2: Convert to fraction form
    601,699.20/902,330.10 = 302,080.20/x
  3. Step 3: Cross multiply
    601,699.20x = 902,330.10 × 302,080.20
  4. Step 4: Simplify right side
    601,699.20x = 272,576,057,074.02
  5. Step 5: Solve for x
    x = 272,576,057,074.02/601,699.20
  6. Step 6: Final answer
    x = 453,010.50

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Double scale
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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.