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Finding the Fourth Proportional to 541,810.22, 812,768.78 and 186,777.50

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Solution

The fourth proportional to 541,810.22, 812,768.78 and 186,777.50 is: 280,184.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,810.22 : 812,768.78 = 186,777.50 : x
  2. Step 2: Convert to fraction form
    541,810.22/812,768.78 = 186,777.50/x
  3. Step 3: Cross multiply
    541,810.22x = 812,768.78 × 186,777.50
  4. Step 4: Simplify right side
    541,810.22x = 151,806,917,209.55
  5. Step 5: Solve for x
    x = 151,806,917,209.55/541,810.22
  6. Step 6: Final answer
    x = 280,184.67

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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.