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Finding the Fourth Proportional to 606,687, 837,228.06 and 338,415

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Solution

The fourth proportional to 606,687, 837,228.06 and 338,415 is: 467,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,687 : 837,228.06 = 338,415 : x
  2. Step 2: Convert to fraction form
    606,687/837,228.06 = 338,415/x
  3. Step 3: Cross multiply
    606,687x = 837,228.06 × 338,415
  4. Step 4: Simplify right side
    606,687x = 283,330,533,924.90
  5. Step 5: Solve for x
    x = 283,330,533,924.90/606,687
  6. Step 6: Final answer
    x = 467,012.70

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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.