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Finding the Fourth Proportional to 522,341.09, 783,489.73 and 167,347.25

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Solution

The fourth proportional to 522,341.09, 783,489.73 and 167,347.25 is: 251,013.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,341.09 : 783,489.73 = 167,347.25 : x
  2. Step 2: Convert to fraction form
    522,341.09/783,489.73 = 167,347.25/x
  3. Step 3: Cross multiply
    522,341.09x = 783,489.73 × 167,347.25
  4. Step 4: Simplify right side
    522,341.09x = 131,114,851,718.74
  5. Step 5: Solve for x
    x = 131,114,851,718.74/522,341.09
  6. Step 6: Final answer
    x = 251,013.86

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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.