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Finding the Fourth Proportional to 606,693.40, 910,040.10 and 207,274.30

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Solution

The fourth proportional to 606,693.40, 910,040.10 and 207,274.30 is: 310,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,693.40 : 910,040.10 = 207,274.30 : x
  2. Step 2: Convert to fraction form
    606,693.40/910,040.10 = 207,274.30/x
  3. Step 3: Cross multiply
    606,693.40x = 910,040.10 × 207,274.30
  4. Step 4: Simplify right side
    606,693.40x = 188,627,924,699.43
  5. Step 5: Solve for x
    x = 188,627,924,699.43/606,693.40
  6. Step 6: Final answer
    x = 310,911.45

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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.