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Finding the Fourth Proportional to 443,851.65, 612,436.55 and 262,571.22

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Solution

The fourth proportional to 443,851.65, 612,436.55 and 262,571.22 is: 362,301.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,851.65 : 612,436.55 = 262,571.22 : x
  2. Step 2: Convert to fraction form
    443,851.65/612,436.55 = 262,571.22/x
  3. Step 3: Cross multiply
    443,851.65x = 612,436.55 × 262,571.22
  4. Step 4: Simplify right side
    443,851.65x = 160,808,210,793.24
  5. Step 5: Solve for x
    x = 160,808,210,793.24/443,851.65
  6. Step 6: Final answer
    x = 362,301.71

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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.