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Finding the Fourth Proportional to 540,662.59, 746,101.15 and 298,938.95

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Solution

The fourth proportional to 540,662.59, 746,101.15 and 298,938.95 is: 412,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,662.59 : 746,101.15 = 298,938.95 : x
  2. Step 2: Convert to fraction form
    540,662.59/746,101.15 = 298,938.95/x
  3. Step 3: Cross multiply
    540,662.59x = 746,101.15 × 298,938.95
  4. Step 4: Simplify right side
    540,662.59x = 223,038,689,896.94
  5. Step 5: Solve for x
    x = 223,038,689,896.94/540,662.59
  6. Step 6: Final answer
    x = 412,528.43

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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.