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Finding the Fourth Proportional to 601,645.80, 902,468.70 and 513,072.30

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Solution

The fourth proportional to 601,645.80, 902,468.70 and 513,072.30 is: 769,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,645.80 : 902,468.70 = 513,072.30 : x
  2. Step 2: Convert to fraction form
    601,645.80/902,468.70 = 513,072.30/x
  3. Step 3: Cross multiply
    601,645.80x = 902,468.70 × 513,072.30
  4. Step 4: Simplify right side
    601,645.80x = 463,031,691,587.01
  5. Step 5: Solve for x
    x = 463,031,691,587.01/601,645.80
  6. Step 6: Final answer
    x = 769,608.45

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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.