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Finding the Fourth Proportional to 376,637.60, 519,726.80 and 223,664.24

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Solution

The fourth proportional to 376,637.60, 519,726.80 and 223,664.24 is: 308,637.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,637.60 : 519,726.80 = 223,664.24 : x
  2. Step 2: Convert to fraction form
    376,637.60/519,726.80 = 223,664.24/x
  3. Step 3: Cross multiply
    376,637.60x = 519,726.80 × 223,664.24
  4. Step 4: Simplify right side
    376,637.60x = 116,244,299,729.63
  5. Step 5: Solve for x
    x = 116,244,299,729.63/376,637.60
  6. Step 6: Final answer
    x = 308,637.00

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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.