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Finding the Fourth Proportional to 610,644.57, 842,790.33 and 338,799.93

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Solution

The fourth proportional to 610,644.57, 842,790.33 and 338,799.93 is: 467,599.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,644.57 : 842,790.33 = 338,799.93 : x
  2. Step 2: Convert to fraction form
    610,644.57/842,790.33 = 338,799.93/x
  3. Step 3: Cross multiply
    610,644.57x = 842,790.33 × 338,799.93
  4. Step 4: Simplify right side
    610,644.57x = 285,537,304,808.68
  5. Step 5: Solve for x
    x = 285,537,304,808.68/610,644.57
  6. Step 6: Final answer
    x = 467,599.84

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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.