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Finding the Fourth Proportional to 374,767.81, 562,070.29 and 118,620.30

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Solution

The fourth proportional to 374,767.81, 562,070.29 and 118,620.30 is: 177,904.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,767.81 : 562,070.29 = 118,620.30 : x
  2. Step 2: Convert to fraction form
    374,767.81/562,070.29 = 118,620.30/x
  3. Step 3: Cross multiply
    374,767.81x = 562,070.29 × 118,620.30
  4. Step 4: Simplify right side
    374,767.81x = 66,672,946,420.89
  5. Step 5: Solve for x
    x = 66,672,946,420.89/374,767.81
  6. Step 6: Final answer
    x = 177,904.68

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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.