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Finding the Fourth Proportional to 593,878.20, 889,505.10 and 313,067.40

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Solution

The fourth proportional to 593,878.20, 889,505.10 and 313,067.40 is: 468,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,878.20 : 889,505.10 = 313,067.40 : x
  2. Step 2: Convert to fraction form
    593,878.20/889,505.10 = 313,067.40/x
  3. Step 3: Cross multiply
    593,878.20x = 889,505.10 × 313,067.40
  4. Step 4: Simplify right side
    593,878.20x = 278,475,048,943.74
  5. Step 5: Solve for x
    x = 278,475,048,943.74/593,878.20
  6. Step 6: Final answer
    x = 468,909.36

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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.