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Finding the Fourth Proportional to 610,671.99, 842,828.22 and 338,827.35

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Solution

The fourth proportional to 610,671.99, 842,828.22 and 338,827.35 is: 467,637.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,671.99 : 842,828.22 = 338,827.35 : x
  2. Step 2: Convert to fraction form
    610,671.99/842,828.22 = 338,827.35/x
  3. Step 3: Cross multiply
    610,671.99x = 842,828.22 × 338,827.35
  4. Step 4: Simplify right side
    610,671.99x = 285,573,252,287.82
  5. Step 5: Solve for x
    x = 285,573,252,287.82/610,671.99
  6. Step 6: Final answer
    x = 467,637.71

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1.5x scale

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.