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Finding the Fourth Proportional to 374,554.47, 561,848.12 and 108,341.90

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Solution

The fourth proportional to 374,554.47, 561,848.12 and 108,341.90 is: 162,517.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,554.47 : 561,848.12 = 108,341.90 : x
  2. Step 2: Convert to fraction form
    374,554.47/561,848.12 = 108,341.90/x
  3. Step 3: Cross multiply
    374,554.47x = 561,848.12 × 108,341.90
  4. Step 4: Simplify right side
    374,554.47x = 60,871,689,481.28
  5. Step 5: Solve for x
    x = 60,871,689,481.28/374,554.47
  6. Step 6: Final answer
    x = 162,517.59

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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.