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Finding the Fourth Proportional to 362,018.84, 499,682.93 and 225,970.88

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Solution

The fourth proportional to 362,018.84, 499,682.93 and 225,970.88 is: 311,900.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,018.84 : 499,682.93 = 225,970.88 : x
  2. Step 2: Convert to fraction form
    362,018.84/499,682.93 = 225,970.88/x
  3. Step 3: Cross multiply
    362,018.84x = 499,682.93 × 225,970.88
  4. Step 4: Simplify right side
    362,018.84x = 112,913,787,784.81
  5. Step 5: Solve for x
    x = 112,913,787,784.81/362,018.84
  6. Step 6: Final answer
    x = 311,900.31

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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.