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Finding the Fourth Proportional to 374,277.95, 561,421.43 and 104,389.66

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Solution

The fourth proportional to 374,277.95, 561,421.43 and 104,389.66 is: 156,585.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,277.95 : 561,421.43 = 104,389.66 : x
  2. Step 2: Convert to fraction form
    374,277.95/561,421.43 = 104,389.66/x
  3. Step 3: Cross multiply
    374,277.95x = 561,421.43 × 104,389.66
  4. Step 4: Simplify right side
    374,277.95x = 58,606,591,051.83
  5. Step 5: Solve for x
    x = 58,606,591,051.83/374,277.95
  6. Step 6: Final answer
    x = 156,585.74

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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.