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Finding the Fourth Proportional to 418,672.06, 577,751.34 and 227,685.67

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Solution

The fourth proportional to 418,672.06, 577,751.34 and 227,685.67 is: 314,197.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,672.06 : 577,751.34 = 227,685.67 : x
  2. Step 2: Convert to fraction form
    418,672.06/577,751.34 = 227,685.67/x
  3. Step 3: Cross multiply
    418,672.06x = 577,751.34 × 227,685.67
  4. Step 4: Simplify right side
    418,672.06x = 131,545,700,941.30
  5. Step 5: Solve for x
    x = 131,545,700,941.30/418,672.06
  6. Step 6: Final answer
    x = 314,197.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.