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Finding the Fourth Proportional to 374,842.40, 562,263.59 and 108,603.09

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Solution

The fourth proportional to 374,842.40, 562,263.59 and 108,603.09 is: 162,904.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,842.40 : 562,263.59 = 108,603.09 : x
  2. Step 2: Convert to fraction form
    374,842.40/562,263.59 = 108,603.09/x
  3. Step 3: Cross multiply
    374,842.40x = 562,263.59 × 108,603.09
  4. Step 4: Simplify right side
    374,842.40x = 61,063,563,540.00
  5. Step 5: Solve for x
    x = 61,063,563,540.00/374,842.40
  6. Step 6: Final answer
    x = 162,904.64

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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.