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Finding the Fourth Proportional to 307,573.50, 424,718.42 and 193,050.62

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Solution

The fourth proportional to 307,573.50, 424,718.42 and 193,050.62 is: 266,577.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,573.50 : 424,718.42 = 193,050.62 : x
  2. Step 2: Convert to fraction form
    307,573.50/424,718.42 = 193,050.62/x
  3. Step 3: Cross multiply
    307,573.50x = 424,718.42 × 193,050.62
  4. Step 4: Simplify right side
    307,573.50x = 81,992,154,306.42
  5. Step 5: Solve for x
    x = 81,992,154,306.42/307,573.50
  6. Step 6: Final answer
    x = 266,577.43

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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.