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Finding the Fourth Proportional to 714,233.84, 985,488.73 and 412,252.88

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Solution

The fourth proportional to 714,233.84, 985,488.73 and 412,252.88 is: 568,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,233.84 : 985,488.73 = 412,252.88 : x
  2. Step 2: Convert to fraction form
    714,233.84/985,488.73 = 412,252.88/x
  3. Step 3: Cross multiply
    714,233.84x = 985,488.73 × 412,252.88
  4. Step 4: Simplify right side
    714,233.84x = 406,270,561,191.97
  5. Step 5: Solve for x
    x = 406,270,561,191.97/714,233.84
  6. Step 6: Final answer
    x = 568,820.10

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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.