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Finding the Fourth Proportional to 624,303.77, 936,456.12 and 150,989.59

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Solution

The fourth proportional to 624,303.77, 936,456.12 and 150,989.59 is: 226,484.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,303.77 : 936,456.12 = 150,989.59 : x
  2. Step 2: Convert to fraction form
    624,303.77/936,456.12 = 150,989.59/x
  3. Step 3: Cross multiply
    624,303.77x = 936,456.12 × 150,989.59
  4. Step 4: Simplify right side
    624,303.77x = 141,395,121,514.80
  5. Step 5: Solve for x
    x = 141,395,121,514.80/624,303.77
  6. Step 6: Final answer
    x = 226,484.49

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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.