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Finding the Fourth Proportional to 593,478.65, 889,203.74 and 424,133.78

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Solution

The fourth proportional to 593,478.65, 889,203.74 and 424,133.78 is: 635,475.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,478.65 : 889,203.74 = 424,133.78 : x
  2. Step 2: Convert to fraction form
    593,478.65/889,203.74 = 424,133.78/x
  3. Step 3: Cross multiply
    593,478.65x = 889,203.74 × 424,133.78
  4. Step 4: Simplify right side
    593,478.65x = 377,141,336,869.65
  5. Step 5: Solve for x
    x = 377,141,336,869.65/593,478.65
  6. Step 6: Final answer
    x = 635,475.83

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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.