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Finding the Fourth Proportional to 540,684.96, 746,124.12 and 322,930.56

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Solution

The fourth proportional to 540,684.96, 746,124.12 and 322,930.56 is: 445,631.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,684.96 : 746,124.12 = 322,930.56 : x
  2. Step 2: Convert to fraction form
    540,684.96/746,124.12 = 322,930.56/x
  3. Step 3: Cross multiply
    540,684.96x = 746,124.12 × 322,930.56
  4. Step 4: Simplify right side
    540,684.96x = 240,946,279,901.11
  5. Step 5: Solve for x
    x = 240,946,279,901.11/540,684.96
  6. Step 6: Final answer
    x = 445,631.56

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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.