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Finding the Fourth Proportional to 469,412.76, 647,783.95 and 254,550.26

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Solution

The fourth proportional to 469,412.76, 647,783.95 and 254,550.26 is: 351,276.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,412.76 : 647,783.95 = 254,550.26 : x
  2. Step 2: Convert to fraction form
    469,412.76/647,783.95 = 254,550.26/x
  3. Step 3: Cross multiply
    469,412.76x = 647,783.95 × 254,550.26
  4. Step 4: Simplify right side
    469,412.76x = 164,893,572,896.33
  5. Step 5: Solve for x
    x = 164,893,572,896.33/469,412.76
  6. Step 6: Final answer
    x = 351,276.29

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Half scale
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Double scale
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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.