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Finding the Fourth Proportional to 366,953.10, 550,429.65 and 266,901.90

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Solution

The fourth proportional to 366,953.10, 550,429.65 and 266,901.90 is: 400,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,953.10 : 550,429.65 = 266,901.90 : x
  2. Step 2: Convert to fraction form
    366,953.10/550,429.65 = 266,901.90/x
  3. Step 3: Cross multiply
    366,953.10x = 550,429.65 × 266,901.90
  4. Step 4: Simplify right side
    366,953.10x = 146,910,719,401.34
  5. Step 5: Solve for x
    x = 146,910,719,401.34/366,953.10
  6. Step 6: Final answer
    x = 400,352.85

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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.