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Finding the Fourth Proportional to 606,663.60, 909,995.40 and 251,640.60

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Solution

The fourth proportional to 606,663.60, 909,995.40 and 251,640.60 is: 377,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,663.60 : 909,995.40 = 251,640.60 : x
  2. Step 2: Convert to fraction form
    606,663.60/909,995.40 = 251,640.60/x
  3. Step 3: Cross multiply
    606,663.60x = 909,995.40 × 251,640.60
  4. Step 4: Simplify right side
    606,663.60x = 228,991,788,453.24
  5. Step 5: Solve for x
    x = 228,991,788,453.24/606,663.60
  6. Step 6: Final answer
    x = 377,460.90

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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.