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Finding the Fourth Proportional to 633,144.64, 949,729.12 and 233,579.76

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Solution

The fourth proportional to 633,144.64, 949,729.12 and 233,579.76 is: 350,374.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,144.64 : 949,729.12 = 233,579.76 : x
  2. Step 2: Convert to fraction form
    633,144.64/949,729.12 = 233,579.76/x
  3. Step 3: Cross multiply
    633,144.64x = 949,729.12 × 233,579.76
  4. Step 4: Simplify right side
    633,144.64x = 221,837,499,914.61
  5. Step 5: Solve for x
    x = 221,837,499,914.61/633,144.64
  6. Step 6: Final answer
    x = 350,374.13

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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.