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Finding the Fourth Proportional to 364,846.60, 547,269.90 and 339,963.40

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Solution

The fourth proportional to 364,846.60, 547,269.90 and 339,963.40 is: 509,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,846.60 : 547,269.90 = 339,963.40 : x
  2. Step 2: Convert to fraction form
    364,846.60/547,269.90 = 339,963.40/x
  3. Step 3: Cross multiply
    364,846.60x = 547,269.90 × 339,963.40
  4. Step 4: Simplify right side
    364,846.60x = 186,051,735,921.66
  5. Step 5: Solve for x
    x = 186,051,735,921.66/364,846.60
  6. Step 6: Final answer
    x = 509,945.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.