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Finding the Fourth Proportional to 410,840.10, 616,260.15 and 144,900.90

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Solution

The fourth proportional to 410,840.10, 616,260.15 and 144,900.90 is: 217,351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,840.10 : 616,260.15 = 144,900.90 : x
  2. Step 2: Convert to fraction form
    410,840.10/616,260.15 = 144,900.90/x
  3. Step 3: Cross multiply
    410,840.10x = 616,260.15 × 144,900.90
  4. Step 4: Simplify right side
    410,840.10x = 89,296,650,369.14
  5. Step 5: Solve for x
    x = 89,296,650,369.14/410,840.10
  6. Step 6: Final answer
    x = 217,351.35

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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.