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Finding the Fourth Proportional to 593,614.40, 891,112.80 and 384,123.20

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Solution

The fourth proportional to 593,614.40, 891,112.80 and 384,123.20 is: 576,632.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,614.40 : 891,112.80 = 384,123.20 : x
  2. Step 2: Convert to fraction form
    593,614.40/891,112.80 = 384,123.20/x
  3. Step 3: Cross multiply
    593,614.40x = 891,112.80 × 384,123.20
  4. Step 4: Simplify right side
    593,614.40x = 342,297,100,296.96
  5. Step 5: Solve for x
    x = 342,297,100,296.96/593,614.40
  6. Step 6: Final answer
    x = 576,632.07

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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.