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Finding the Fourth Proportional to 602,644.23, 903,121.29 and 433,368

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Solution

The fourth proportional to 602,644.23, 903,121.29 and 433,368 is: 649,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,644.23 : 903,121.29 = 433,368 : x
  2. Step 2: Convert to fraction form
    602,644.23/903,121.29 = 433,368/x
  3. Step 3: Cross multiply
    602,644.23x = 903,121.29 × 433,368
  4. Step 4: Simplify right side
    602,644.23x = 391,383,867,204.72
  5. Step 5: Solve for x
    x = 391,383,867,204.72/602,644.23
  6. Step 6: Final answer
    x = 649,444.31

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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.