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Finding the Fourth Proportional to 374,554.49, 561,848.12 and 108,341.91

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Solution

The fourth proportional to 374,554.49, 561,848.12 and 108,341.91 is: 162,517.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,554.49 : 561,848.12 = 108,341.91 : x
  2. Step 2: Convert to fraction form
    374,554.49/561,848.12 = 108,341.91/x
  3. Step 3: Cross multiply
    374,554.49x = 561,848.12 × 108,341.91
  4. Step 4: Simplify right side
    374,554.49x = 60,871,697,909.00
  5. Step 5: Solve for x
    x = 60,871,697,909.00/374,554.49
  6. Step 6: Final answer
    x = 162,517.61

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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.