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Finding the Fourth Proportional to 444,585.50, 613,528.02 and 243,381.50

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Solution

The fourth proportional to 444,585.50, 613,528.02 and 243,381.50 is: 335,866.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,585.50 : 613,528.02 = 243,381.50 : x
  2. Step 2: Convert to fraction form
    444,585.50/613,528.02 = 243,381.50/x
  3. Step 3: Cross multiply
    444,585.50x = 613,528.02 × 243,381.50
  4. Step 4: Simplify right side
    444,585.50x = 149,321,369,799.63
  5. Step 5: Solve for x
    x = 149,321,369,799.63/444,585.50
  6. Step 6: Final answer
    x = 335,866.49

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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.