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Finding the Fourth Proportional to 577,528.11, 866,115.58 and 203,463.63

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Solution

The fourth proportional to 577,528.11, 866,115.58 and 203,463.63 is: 305,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,528.11 : 866,115.58 = 203,463.63 : x
  2. Step 2: Convert to fraction form
    577,528.11/866,115.58 = 203,463.63/x
  3. Step 3: Cross multiply
    577,528.11x = 866,115.58 × 203,463.63
  4. Step 4: Simplify right side
    577,528.11x = 176,223,019,906.36
  5. Step 5: Solve for x
    x = 176,223,019,906.36/577,528.11
  6. Step 6: Final answer
    x = 305,133.23

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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.