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Finding the Fourth Proportional to 606,692.40, 910,729.80 and 357,514.80

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Solution

The fourth proportional to 606,692.40, 910,729.80 and 357,514.80 is: 536,679.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,692.40 : 910,729.80 = 357,514.80 : x
  2. Step 2: Convert to fraction form
    606,692.40/910,729.80 = 357,514.80/x
  3. Step 3: Cross multiply
    606,692.40x = 910,729.80 × 357,514.80
  4. Step 4: Simplify right side
    606,692.40x = 325,599,382,301.04
  5. Step 5: Solve for x
    x = 325,599,382,301.04/606,692.40
  6. Step 6: Final answer
    x = 536,679.51

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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.