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Finding the Fourth Proportional to 566,910.04, 782,336.94 and 308,786.19

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Solution

The fourth proportional to 566,910.04, 782,336.94 and 308,786.19 is: 426,125.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,910.04 : 782,336.94 = 308,786.19 : x
  2. Step 2: Convert to fraction form
    566,910.04/782,336.94 = 308,786.19/x
  3. Step 3: Cross multiply
    566,910.04x = 782,336.94 × 308,786.19
  4. Step 4: Simplify right side
    566,910.04x = 241,574,842,998.86
  5. Step 5: Solve for x
    x = 241,574,842,998.86/566,910.04
  6. Step 6: Final answer
    x = 426,125.53

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.