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Finding the Fourth Proportional to 374,201.84, 561,322.20 and 187,150.16

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Solution

The fourth proportional to 374,201.84, 561,322.20 and 187,150.16 is: 280,734.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,201.84 : 561,322.20 = 187,150.16 : x
  2. Step 2: Convert to fraction form
    374,201.84/561,322.20 = 187,150.16/x
  3. Step 3: Cross multiply
    374,201.84x = 561,322.20 × 187,150.16
  4. Step 4: Simplify right side
    374,201.84x = 105,051,539,541.55
  5. Step 5: Solve for x
    x = 105,051,539,541.55/374,201.84
  6. Step 6: Final answer
    x = 280,734.96

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1.5x scale

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.