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Finding the Fourth Proportional to 528,632.33, 793,077.28 and 168,803.39

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Solution

The fourth proportional to 528,632.33, 793,077.28 and 168,803.39 is: 253,246.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,632.33 : 793,077.28 = 168,803.39 : x
  2. Step 2: Convert to fraction form
    528,632.33/793,077.28 = 168,803.39/x
  3. Step 3: Cross multiply
    528,632.33x = 793,077.28 × 168,803.39
  4. Step 4: Simplify right side
    528,632.33x = 133,874,134,956.66
  5. Step 5: Solve for x
    x = 133,874,134,956.66/528,632.33
  6. Step 6: Final answer
    x = 253,246.21

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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.