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Finding the Fourth Proportional to 404,570.70, 606,937.05 and 120,260.70

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Solution

The fourth proportional to 404,570.70, 606,937.05 and 120,260.70 is: 180,415.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,570.70 : 606,937.05 = 120,260.70 : x
  2. Step 2: Convert to fraction form
    404,570.70/606,937.05 = 120,260.70/x
  3. Step 3: Cross multiply
    404,570.70x = 606,937.05 × 120,260.70
  4. Step 4: Simplify right side
    404,570.70x = 72,990,674,488.94
  5. Step 5: Solve for x
    x = 72,990,674,488.94/404,570.70
  6. Step 6: Final answer
    x = 180,415.13

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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.